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Oval|Lab Grown|IGI

2.51ct J SI2 Oval Lab Grown Diamond

ID • J/SI2 • IGI LG451056250

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451056250

Diamond specifications and retailer prices

From $1,570 USD
As of October 31, 2026
Save $5,970 USD (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $7,540 USD at MOH London · As of October 29, 2026
View at MOH London

About this 2.51ct lab-grown oval diamond

This 2.51ct lab-grown oval sits in the two to three carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451056250 or 451056250. Listed at 10 retailers as of October 29, 2026, with prices from $1,570 to $7,540, a $5,970 spread on the same certified stone. MOH London lists it at $7,540. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.51
Carat
J
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451056250
Dimensions10.79 × 7.53 × 4.74 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
10.79 mm7.53 mm2.51 ctJ / SI2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG451056250
Side View
Table 57.0%Crown 36.4°Girdle: MED-THKPavilion 40.7°Culet: NoneDepth 62.9%

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: $7,540 USD|Low: $1,570 USD|High: $7,600 USD|Avg: $3,839 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2$1,570 USD
Retailer 5$2,415 USD
Retailer 9$2,627 USD
Retailer 10$2,703 USD
Retailer 6$2,801 USD
Retailer 11$3,545 USD
Retailer 8$3,850 USD
Retailer 4$4,199 USD
Retailer 7$4,368 USD
Retailer 3$6,269 USD
MOH London$7,540 USD

18 data points across 11 retailers

10 retailers$1,570 USD to $7,540 USD

A
Cheapest Retailer
-
$1,570 USD
B+
Retailer 2
-
$2,415 USD
View
B+
Retailer 3
-
$2,627 USD
View
B+
Retailer 4
-
$2,703 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,801 USD
View
Retailer 6
-
$2,801 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
$3,850 USD
View
B
Retailer 8
-
$4,199 USD
View
B
Retailer 9
-
$4,368 USD
View
Most Expensive
B
MOH London
LG451056250 · Oct 29
$7,540 USD
£5,937 GBP
View
9 more retailers have this diamond
Prices start from $1,570 USDSave up to $5,970 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
$1,570 USD