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Oval|Lab Grown|IGI

2.51ct G VVS1 Oval Lab Grown Diamond

ID • G/VVS1 • IGI LG818648649

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818648649

Diamond specifications and retailer prices

From $455 USD
As of October 31, 2026
Save $1,860 USD (80%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $4,070 USD at Brilliant Earth · As of September 28, 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818648649 or 818648649. Listed at 23 retailers as of October 28, 2026, with a 409% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.2°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818648649
Dimensions10.90 × 7.44 × 4.71 mm
L/W Ratio1.47
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.90 mm7.44 mm2.51 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818648649
Side View
Table 59.0%Crown 39.2°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 63.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $772 USD|Low: $455 USD|High: $2,335 USD|Avg: $1,168 USD|-6.0%
Retailer 1
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
October 31, 2026
Retailer 5$455 USD
Retailer 7$505 USD
Retailer 13$535 USD
Retailer 10$650 USD
Retailer 1$772 USD
Retailer 12$799 USD
Retailer 9$830 USD
Retailer 6$1,104 USD
Retailer 14$1,117 USD
Retailer 11$1,141 USD
Retailer 15$1,217 USD
Retailer 8$1,622 USD
Retailer 4$1,854 USD
Retailer 3$1,888 USD
Retailer 16$1,974 USD
Retailer 2$2,315 USD

39 data points across 16 retailers

23 retailers$455 USD to $2,315 USD

Retailer 1
-
$407 USD
Price last confirmed 38 days ago
A
Retailer 2
-
$455 USD
View
Final sale: no returns
Retailer 3
-
$456 USD
View
Price last confirmed 35 days ago
Retailer 4
-
$498 USD
View
Price last confirmed 33 days ago
A
Retailer 5
-
$505 USD
View
A
Retailer 6
-
$535 USD
£421 GBP
View
A
Retailer 7
-
$650 USD
View
A
Retailer 8
-
$772 USD
€735 EUR
View
A
Retailer 9
-
$799 USD
View
A
Retailer 10
-
$830 USD
£653 GBP
View
B+
Retailer 11
-
$1,104 USD
View
A
Retailer 12
-
$1,117 USD
A$1,718 AUD
View
B+
Retailer 13
-
$1,141 USD
View
B+
Retailer 14
-
$1,217 USD
ZAR 19,660 ZAR
View
B+
Retailer 15
-
$1,395 USD
View
B+
Retailer 16
-
$1,622 USD
View
Retailer 17
-
$1,622 USD
View
Price last confirmed 35 days ago
B+
Retailer 18
-
$1,657 USD
View
B
Retailer 19
-
$1,854 USD
View
B
Retailer 20
-
$1,888 USD
View
B+
Retailer 21
-
$1,974 USD
£1,554 GBP
View
B
Retailer 22
-
$2,315 USD
View
Most Expensive
Brilliant Earth
20857056A · Sep 28
$4,070 USD
View
Price last confirmed 33 days ago
22 more retailers have this diamond
Prices start from $455 USDSave up to $1,860 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
$455 USD