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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 €2,924 EUR
$3,280 USD
As of October 31, 2026
Save €6,443 EUR (69%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €9,368 EUR at MOH London · As of November 1, 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 October 31, 2026, with prices from €2,924 to €9,368, a €6,443 spread on the same certified stone. MOH London lists it at €9,368. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €9,368 EUR|Low: €2,924 EUR|High: €9,481 EUR|Avg: €5,464 EUR
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 2, 2026
Retailer 6€2,924 EUR
Retailer 8€3,901 EUR
Retailer 12€4,088 EUR
Retailer 4€4,368 EUR
Retailer 3€4,525 EUR
Retailer 9€4,525 EUR
Retailer 11€5,654 EUR
Retailer 2€5,865 EUR
Retailer 7€5,887 EUR
Retailer 5€5,976 EUR
Retailer 10€7,002 EUR
MOH London€9,368 EUR

42 data points across 12 retailers

13 retailers€2,924 EUR to €9,368 EUR

B+
Cheapest Retailer
-
€2,924 EUR
$3,280 USD
B
Retailer 2
-
€3,901 EUR
$4,375 USD
View
B
Retailer 3
-
€4,088 EUR
$4,585 USD
View
B
Retailer 4
-
€4,368 EUR
$4,899 USD
View
Final sale: no returns
B
Retailer 5
-
€4,525 EUR
$5,075 USD
View
Retailer 6
-
€4,525 EUR
$5,075 USD
View
Price last confirmed 21 days ago
B
Retailer 7
-
€4,565 EUR
$5,120 USD
View
B
Retailer 8
-
€5,654 EUR
$6,341 USD
View
B
Retailer 9
-
€5,865 EUR
£5,180 GBP
View
B
Retailer 10
-
€5,887 EUR
$6,603 USD
View
B
Retailer 11
-
€5,976 EUR
£5,277 GBP
View
B
Retailer 12
-
€7,002 EUR
$7,853 USD
View
Most Expensive
B
MOH London
LG512231567 · Nov 1
€9,368 EUR
£8,273 GBP
View
12 more retailers have this diamond
Prices start from €2,924 EURSave up to €6,443 EUR

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
€2,924 EUR