FREQUENTLY ASKED QUESTIONS
LAB DIAMONDS
Lab‑grown and natural diamonds share identical physical, chemical and optical characteristics. The main difference is their origin: lab diamonds are created in controlled laboratory environments, while natural diamonds form underground over millions of years. Lab‑grown diamonds provide an ethical alternative without traditional mining.
Moissanite is a different gemstone with a separate chemical composition. Diamonds rank 10 on the Mohs hardness scale, while moissanite normally ranks between 9.25 and 9.5. Moissanite has strong brilliance, but its optical appearance and pricing are different from lab‑grown diamonds.
Lab‑grown diamonds avoid the large‑scale excavation and ecological impact associated with traditional mining. They also provide a transparent and ethical option without conflict mining or unsafe mining conditions.
Most of our lab‑grown diamonds include an official IGI grading report. GIA‑certified lab diamonds may also be arranged by special request. Available digital and physical grading documentation will be provided with the finished order.
Yes. We offer fancy colored lab‑grown diamonds in shades including yellow, blue, green, purple and pink. Availability depends on the requested shape, carat weight, color and production requirements.
We are a Hong Kong registered brand with an integrated production and processing supply chain based in mainland China. Our factory‑to‑customer model reduces unnecessary intermediary costs. Eligible lab‑grown diamonds include professional grading documentation.
Lab‑grown gemstones are created in controlled laboratory environments and have comparable chemical composition, crystal structure, hardness and optical performance to their natural counterparts. Our lab‑grown gemstones are supplied with relevant professional certification where applicable.
Yes. Custom gemstone colors may be produced according to your preferred tone and design. Please contact our service team to confirm the requested color, gemstone size, production time and pricing.
Yes. We can discuss lab‑grown diamonds with designated carat weights and measurements. Because each custom stone is produced for individual specifications, additional production charges and lead time may apply.
SETTINGS + METALS
We supply premium 14K and 18K solid gold in white, yellow and rose tones, alongside genuine platinum. Two‑tone mixed‑gold ring mountings can be arranged without any additional surcharge. Our standard base quotation is calculated based on 9K gold as the baseline metal.
- 18K gold boasts richer, warmer tones and superior color stability after long‑term wear, with a relatively soft texture.
- 14K gold offers well‑balanced color and hardness, making it ideal for everyday wear.
You can choose 14K or 18K gold instead if you have other preferences.
A two‑tone setting features the stone basket in one metal tone, mostly white gold, and the band in a contrasting shade such as yellow or rose gold. For stable compatibility, gold can only be matched with the same karat grade: 14K with 14K, and 18K with 18K.
Absolutely. Bespoke customization for your preferred ring styles is fully supported. Feel free to get in touch with our customer service team and share reference materials, including photos, videos or hand‑drawn sketches of your ideal design. Our professional jewelry designers will provide one‑on‑one guidance to turn your unique vision into a finished jewelry piece.
Platinum naturally comes in only one cool silvery‑white tone, with no alternative color variations. Unlike 14K and 18K gold, which can be crafted into yellow, rose or white finishes, platinum retains its inherent silvery metallic hue without additional plating or color treatment.
PRODUCTION PROCESS
Our regular lead time is 30 working days. Faster rush schedules are available at an additional fee: 15 working days (+$200) and 7 working days(+$300), subject to gem stock availability and depends on the complexity of the design.
1. Complete your order submission.
2. Our team will source suitable stones and create CAD renderings for your piece.
3. We will send the CAD drawings and selected stones for your confirmation.
4. We will proceed with wax molding, metal casting and hand stone setting for your ring.
5. A final inspection video will be shared with you prior to shipment for your sign‑off.
CAD stands for Computer‑Aided Design in our custom workflow. It generates precise 3D renderings of your jewelry piece showing proportions, prong setting and design details.
The timeline for finishing CAD drawings ranges from roughly 3 to 10 working days, depending on how complex your design is.
Absolutely. We have in‑stock loose lab‑grown diamonds, lab‑created gemstones and moissanite. Additionally, we can source thousands of premium selected loose stones through our professional cutting partners. We also support customized stone cutting services according to your personal needs.
Please contact us immediately if you need any adjustments. We will try our best to accommodate your request based on your current production progress. Please note that changes cannot be guaranteed, and extra charges or extended lead time may apply.
Modifications that require brand‑new substantially different CAD renderings will incur a USD 50 redrawing fee, while minor tweaks to the existing approved design are free of charge.
Our 12‑month limited manufacturing warranty covers original factory workmanship defects including defective soldering, casting flaws, faulty prongs, defective clasps and accent‑stone loss caused purely by manufacturing error.
It does not cover normal wear‑and‑tear, accidental impact damage, chipped or broken stones, loss or theft. This warranty is not jewelry insurance. For accidental damage, loss or theft risks, we recommend separate third‑party jewelry insurance. Repair after the 12‑month window is available at direct‑cost for parts and labor.
Ring resizing service is available. Resizing may affect rhodium plating, prong tension and stone security. Please contact info@jomomojewelry.com for resizing quotation before arranging any modifications.
Please note that alterations completed by an unauthorized third‑party jeweler may only impact warranty coverage if that third‑party work directly creates new damage to the piece.
We offer DDP (Delivered Duty Paid) service for most countries, we pre‑pay estimated import duties and taxes for your shipment. In nearly all cases you will receive your order with zero extra fees.
In very rare scenarios such as random customs audit or local regulatory updates, unexpected additional charges may occur which are outside our reasonable control and shall be borne by buyer. We will try our best to notify you if such situation arises.
Custom‑made jewelry is produced according to your personal specifications. Returns and exchanges are generally not available once production has started.
Cancellation rights before production are governed by our deposit and CAD drawing rules in our Terms and Conditions. You are entitled to statutory consumer remedies if goods arrive defective, damaged or not matching your agreed specifications.
Remove jewelry before showering, swimming, exercising, manual work and using household chemicals. Rhodium‑plated white gold will fade gradually over time and requires periodic re‑plating, this is considered normal wear‑and‑tear and not covered under manufacturing warranty.
CUSTOM DEPOSIT
Please also review our full Terms and Conditions for complete deposit, CAD and cancellation rules
A 50% deposit of total order value is required to start any design work including CAD drawing generation. No design work or item arrangement will begin before receiving this deposit.
Refund rules are subject to applicable local consumer law. Nothing herein overrides your mandatory statutory consumer rights for defective, mis‑described or damaged‑upon‑arrival goods.
- Full refund is available if CAD drawings have NOT yet been generated.
- If CAD drawings have been completed and issued at your request, a service fee of USD 200 for finished CAD‑related design work will be deducted from your deposit as reimbursement for completed design services. This service fee only applies when you voluntarily cancel your order; no deduction applies if JOMOMO cannot fulfil your order or goods are defective. This deduction will not exceed your total paid deposit. Any remaining balance will be refunded.
- If you request to switch to a substantially different design requiring brand‑new CAD drawings after initial CAD output, an additional redrawing fee of USD 50 will apply for each new‑design request. Minor tweaks to existing approved design do not trigger this charge.
We will confirm all item details thoroughly with you before starting the CAD drafting process. After the initial CAD renderings are completed, we offer three complimentary minor adjustments based on the original design.
If you wish to switch to an entirely new, substantially different style requiring brand‑new CAD drawings, an additional design fee of USD 50 will be charged per new‑design request. Minor adjustments to the existing approved design do not incur this fee.
Once you approve the CAD drawings, production will begin immediately. Any CAD modifications requested during production will incur additional design fees and material wastage charges.