Radiant|Lab Grown|IGI

3.10ct G VS2 Radiant Lab Grown Diamond

EX • G/VS2 • IGI LG845670309

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG845670309

Diamond specifications and retailer prices

From $394 USD
As of October 30, 2026
Save $2,156 USD (85%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,550 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.1ct lab-grown radiant diamond

This 3.1ct lab-grown radiant sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG845670309 or 845670309. Listed at 3 retailers as of October 30, 2026, with prices from $394 to $2,550, a $2,156 spread on the same certified stone. Brilliant Earth lists it at $2,550. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.10
Carat
G
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845670309
Dimensions10.38 × 7.21 × 4.75 mm
L/W Ratio1.44
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.38 mm7.21 mm3.10 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845670309
Side View
Table 67.0%Crown 44°Girdle: MediumPavilion 34.7°Culet: NoneDepth 65.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $2,550 USD|Low: $394 USD|High: $2,630 USD|Avg: $1,424 USD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
October 30, 2026
Retailer 2$394 USD
Retailer 3$816 USD
Brilliant Earth$2,550 USD

14 data points across 3 retailers

3 retailers$394 USD to $2,550 USD

A
Cheapest Retailer
-
$394 USD
Final sale: no returns
A
Retailer 2
-
$816 USD
£642 GBP
View
Most Expensive
B
Brilliant Earth
22151037A · Oct 30
$2,550 USD
View
2 more retailers have this diamond
Prices start from $394 USDSave up to $2,156 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.10ct Radiant
$394 USD