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Heart|Lab Grown|IGI

2.51ct F IF Heart Lab Grown Diamond

ID • F/IF • IGI LG853638315

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG853638315

Diamond specifications and retailer prices

From €802 EUR
$900 USD
As of November 1, 2026
Save €3,370 EUR (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €4,173 EUR at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG853638315 or 853638315. Listed at 10 retailers as of November 1, 2026, with prices from €802 to €4,173, a €3,370 spread on the same certified stone. Brilliant Earth lists it at €4,173. 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
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG853638315
Dimensions8.42 × 9.27 × 5.37 mm
L/W Ratio1.10
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.42 mm9.27 mm2.51 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG853638315
Side View
Table 60.0%Crown 36.6°Girdle: STK-THKPavilion 38°Culet: NoneDepth 57.9%

Caratlytics Score

How it works →
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: Nov 1
Current: €1,967 EUR|Low: €802 EUR|High: €2,878 EUR|Avg: €1,575 EUR
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 7€802 EUR
Retailer 4€967 EUR
Retailer 9€993 EUR
Retailer 6€1,314 EUR
Retailer 2€1,341 EUR
Retailer 3€1,378 EUR
Retailer 1€1,967 EUR
Retailer 8€2,734 EUR
Retailer 5€2,878 EUR

2 data points across 9 retailers

10 retailers€802 EUR to €4,173 EUR

A
Cheapest Retailer
-
€802 EUR
$900 USD
A
Retailer 2
-
€967 EUR
£854 GBP
View
A
Retailer 3
-
€993 EUR
HK$8,700 HKD
View
A
Retailer 4
-
€1,314 EUR
£1,161 GBP
View
A
Retailer 5
-
€1,341 EUR
View
A
Retailer 6
-
€1,378 EUR
$1,546 USD
View
A
Retailer 7
-
€1,967 EUR
$2,206 USD
View
A
Retailer 8
-
€2,734 EUR
$3,067 USD
View
A
Retailer 9
-
€2,878 EUR
SGD 4,362 SGD
View
Most Expensive
B+
Brilliant Earth
22437121A · Nov 1
€4,173 EUR
$4,680 USD
View
9 more retailers have this diamond
Prices start from €802 EURSave up to €3,370 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.

A
2.51ct Heart
€802 EUR