Wholesale Lab Grown Diamond 925 Sterling Silver Ring

Brilliant lab-grown diamond set on solid 925 sterling silver. Rhodium plated for a bright, long-lasting shine. A high-margin fashion piece that retails well in boutiques and online stores. Low MOQ 5 pieces, dropshipping welcome.

Why a 925 silver lab diamond ring still sells at 40 dollars

Buyers ask this every week: if the stone is a real lab-grown diamond and the metal is solid 925 silver, how does the retail price land in the forties. The answer is the metal weight, not the stone. A 2.1 gram silver ring carries about 1.4 dollars of silver at current spot, so the cost of the piece is the diamond, the rhodium, and the bench time.

That is also why this specification is the safest entry point for a boutique testing lab-grown diamonds. You can put a genuine diamond in the case at a price a first time buyer will accept, then move her to 14K on the second purchase.

Where the 18.50 to 26.00 per piece goes

Cost line	Share of price	What moves it
Lab-grown diamond, IGI graded	38 to 44 percent	Carat weight and clarity grade
925 silver casting and finishing	16 to 19 percent	Ring weight and setting complexity
Rhodium plating	9 to 12 percent	Plating thickness, 0.1 vs 0.25 micron
Setting and polishing labor	14 to 17 percent	Prong count, channel vs bezel
Certificate and packing	6 to 8 percent	IGI card vs batch sheet
Margin and export handling	10 to 13 percent	Order quantity and payment terms

The single biggest swing is plating thickness. A 0.1 micron rhodium layer wears through at the sides within 8 to 14 weeks of daily wear. At 0.25 micron you get 9 to 14 months. We quote both and print which one you are getting on the packing slip, because a customer who sees the plating wear off in three months blames the store, not the factory.

What IGI certification actually covers here

Each stone under 0.20 ct ships with a batch IGI card listing the parcel, not a per stone report. Above 0.20 ct the stone carries its own report number. Both are valid; what matters is that your listing states which one applies, because a marketplace auditor will check the number against the card.

We register the report number against the order so a buyer can verify it. If a number does not resolve, that is a claim we settle by replacing the stone, not by arguing about the grade.

Dropshipping terms that are actually workable

One piece dropshipping is available, but the economics only hold if the order value clears the freight. A single ring shipped to a US address costs 9 to 13 dollars in postage and packaging, which on a 22 dollar piece eats the margin. The workable pattern is a batch of 3 to 5 pieces per destination, or a stock order at MOQ 5 held in your own inventory.

Stock orders at 5 pieces ship in 2 to 5 days because the sizes are already cast. Custom sizing adds 7 to 10 days and starts at 20 pieces, since a new size means a new mold pass.

Size and fit, the most common return reason

• US sizes 5 to 9 are held in stock; 4 and 10 ship in 5 to 7 days
• Band width is 1.8 mm at this price; wider bands need more silver and change the quote
• Half sizes are available on stock rings by swapping the sizing plate, not by recasting
• Ask for the size chart with millimeter inner diameter, not just the US number, because charts differ by supplier

Inspection checklist before you list this ring

Run four checks on the first unit of every batch. Measure the band with calipers, 1.8 mm plus or minus 0.1 mm. Look at the plating under a loupe at the inner shank, where wear shows first. Confirm the prongs sit above the girdle of the stone, not on the table. And weigh the piece, 2.0 to 2.3 grams at this size; anything under 1.9 grams is a hollow shank and will dent.

Photograph the batch before listing. A plating or prong complaint without a baseline photo becomes a negotiation you cannot win.

Buyer Questions

Is the diamond genuinely lab-grown and not moissanite?

Yes. The stone is CVD or HPHT lab-grown diamond, IGI graded, and it will pass a diamond tester. Moissanite reads differently on the tester and we do not substitute it at this SKU.

Can I get this in 14K gold instead of silver?

Yes, in the same setting at a higher price, with MOQ 10 because gold casting runs separately. The silver version is the stock item; gold is made to order.

How long does rhodium last on a ring worn daily?

At 0.25 micron, 9 to 14 months with daily wear. At 0.1 micron, 8 to 14 weeks. Replating is a bench service your customer can buy, so tell them the interval up front.

Related reading

For the full cost structure of silver pieces at this price, read the cost breakdown inside a USD 8 to 42 piece.

On inspection standards, read AQL defect classes and the reject rule.