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Heart|Lab Grown|IGI

2.51ct F SI1 Heart Lab Grown Diamond

ID • F/SI1 • IGI LG512231567

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG512231567

Diamond specifications and retailer prices

From $3,280 USD
As of November 6, 2026
Save $7,199 USD (69%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $10,479 USD at MOH London · As of November 5, 2026
View at MOH London

About this 2.51ct lab-grown heart diamond

This 2.51ct lab-grown heart sits in the two to three carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG512231567 or 512231567. Listed at 13 retailers as of November 5, 2026, with prices from $3,280 to $10,479, a $7,199 spread on the same certified stone. MOH London lists it at $10,479. 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
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.7°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512231567
Dimensions9.42 × 8.08 × 5.66 mm
L/W Ratio1.17
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
9.42 mm8.08 mm2.51 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG512231567
Side View
Table 59.5%Crown 35.7°Girdle: MED-VTKPavilion 39.4°Culet: NoneDepth 60.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $10,479 USD|Low: $3,280 USD|High: $10,634 USD|Avg: $6,074 USD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 6$3,280 USD
Retailer 8$4,375 USD
Retailer 12$4,585 USD
Retailer 4$4,899 USD
Retailer 3$5,075 USD
Retailer 9$5,075 USD
Retailer 11$6,341 USD
Retailer 5$6,513 USD
Retailer 7$6,603 USD
Retailer 2$6,666 USD
Retailer 10$7,853 USD
MOH London$10,479 USD

45 data points across 12 retailers

13 retailers$3,280 USD to $10,479 USD

B+
Cheapest Retailer
-
$3,280 USD
B
Retailer 2
-
$4,375 USD
View
B
Retailer 3
-
$4,585 USD
View
B
Retailer 4
-
$4,899 USD
View
Final sale: no returns
B
Retailer 5
-
$5,075 USD
View
Retailer 6
-
$5,075 USD
View
Price last confirmed 25 days ago
B
Retailer 7
-
$5,120 USD
View
B
Retailer 8
-
$6,341 USD
View
B
Retailer 9
-
$6,513 USD
View
B
Retailer 10
-
$6,603 USD
View
B
Retailer 11
-
$6,666 USD
View
B
Retailer 12
-
$7,853 USD
View
Most Expensive
B
MOH London
LG512231567 · Nov 5
$10,479 USD
£8,251 GBP
View
12 more retailers have this diamond
Prices start from $3,280 USDSave up to $7,199 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.

B+
2.51ct Heart
$3,280 USD