Oval Cut Diamonds
Smooth rounded oval silhouette balances brilliance and length, offered in rich fancy color options. We provide loose oval gems, finished fine jewelry and full one-stop custom design services.
Smooth rounded oval silhouette balances brilliance and length, offered in rich fancy color options. We provide loose oval gems, finished fine jewelry and full one-stop custom design services.
Oval cut lab cultured diamonds feature an elongated rounded contour without sharp corners, blending the slender visual advantage of marquise and the soft mild glow of cushion cuts, standing out from angular emerald and sentimental heart styles. Manufactured via HPHT and CVD techniques, they cover pure white, warm yellow, delicate pink and icy blue fancy shades to match various aesthetic preferences.
Uniform curved facets produce balanced all-over sparkle, while smooth rounded rims prevent scratches and fabric snags for lightweight, comfortable long-term wear. The extended oval outline visually slims fingers prominently, widely used for classic engagement rings, minimalist pendants and elegant stud earrings.
We supply full-size loose oval lab diamonds, complete matching jewelry sets and full personalized customization. A timeless versatile pick for proposals, daily wear and anniversary gifts, these oval stones are a mainstream premium choice for custom bridal and luxury everyday jewelry.
| Type | HPHT & CVD | Carat | 1ct, 2ct, 3ct, 5ct, 10ct, etc. |
| Color | D, E, F, G, H, I | Clarity | VVS, VS, SL |
| Cut | ID, 3EX | Certification | IGI / GIA / NGTC |
| Shape | Oval Cut | Fancy Color | Pink, Blue, Orange, Yellow, etc. |
| Polish | EX, VG, GD | Symmetry | EX, VG, GD |
| Fluorescence | N, F, M, S, VS | Color Treated | Treated / Untreated |
Key Features
Carefully selected lab diamonds feature excellent cut for max light return & sparkle
Available in D–F color and VVS clarity grades to meet fine jewelry standards.
Beyond mainstream diamond cuts, we offer custom diamond shapes.
Bulk customization of loose lab diamonds in varied colors, cuts, carat & certifications.
Better Star is a vertically integrated diamond and jewelry manufacturer based in Shuibei, Shenzhen — China’s premier jewelry manufacturing district. We grow the diamonds in our own CVD and HPHT laboratories, cut and certify them in-house, cast and set the jewelry in our own factory, and ship directly to your door in your branded packaging.
When you order from us, you pay factory cost — not distributor cost, not trading company cost. Every dollar that would have gone to intermediaries stays in your margin or product quality. We serve brands in 30+ countries, from boutique jewelers to major retail chains.
Explore Our Products
Discover lab-grown diamond bracelets, necklaces, rings, earrings, and pendants crafted with certified quality and exceptional brilliance for global jewelry brands and retailers.
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