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Oval|Lab Grown|IGI

2.51ct G VS2 Oval Lab Grown Diamond

ID • G/VS2 • IGI LG604304820

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG604304820

Diamond specifications and retailer prices

From $316 USD
As of October 26, 2026
Save $2,654 USD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,970 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.51ct lab-grown oval diamond

This 2.51ct lab-grown oval sits in the two to three carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG604304820 or 604304820. Listed at 18 retailers as of October 26, 2026, with prices from $316 to $2,970, a $2,654 spread on the same certified stone. Brilliant Earth lists it at $2,970. 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

2.51
Carat
G
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG604304820
Dimensions10.96 × 7.69 × 4.80 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
10.96 mm7.69 mm2.51 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG604304820
Side View
Table 61.0%Crown 34.8°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 62.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 26
Current: $2,970 USD|Low: $289 USD|High: $3,070 USD|Avg: $971 USD|-3.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 29, 2026
Retailer 5$316 USD
Retailer 13$367 USD
Retailer 3$392 USD
Retailer 18$392 USD
Retailer 17$454 USD
Retailer 12$620 USD
Retailer 10$637 USD
Retailer 16$690 USD
Retailer 2$699 USD
Retailer 6$765 USD
Retailer 8$791 USD
Retailer 14$1,149 USD
Retailer 4$1,260 USD
Retailer 9$1,305 USD
Retailer 7$1,507 USD
Retailer 11$1,579 USD
Retailer 15$1,650 USD
Brilliant Earth$2,970 USD

41 data points across 18 retailers

18 retailers$316 USD to $2,970 USD

A
Cheapest Retailer
-
$316 USD
A
Retailer 2
-
$367 USD
View
A
Retailer 3
-
$392 USD
View
A
Retailer 4
-
$392 USD
View
A
Retailer 5
-
$454 USD
£357 GBP
View
Price last confirmed 12 days ago
A
Retailer 6
-
$620 USD
View
B+
Retailer 7
-
$637 USD
View
A
Retailer 8
-
$690 USD
€657 EUR
View
A
Retailer 9
-
$699 USD
£550 GBP
View
A
Retailer 10
-
$765 USD
View
A
Retailer 11
-
$791 USD
View
B+
Retailer 12
-
$1,149 USD
View
B+
Retailer 13
-
$1,260 USD
View
B+
Retailer 14
-
$1,305 USD
View
Price last confirmed 11 days ago
B
Retailer 15
-
$1,507 USD
View
B+
Retailer 16
-
$1,579 USD
£1,243 GBP
View
B+
Retailer 17
-
$1,650 USD
View
Most Expensive
B
Brilliant Earth
8752940A · Oct 29
$2,970 USD
View
17 more retailers have this diamond
Prices start from $316 USDSave up to $2,654 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
2.51ct Oval
$316 USD