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 $900 USD
As of November 1, 2026
Save $3,780 USD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,680 USD 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 11 retailers as of November 1, 2026, with prices from $900 to $4,680, a $3,780 spread on the same certified stone. Brilliant Earth lists it at $4,680. 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
Color
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: $3,598 USD|Low: $900 USD|High: $3,598 USD|Avg: $1,860 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 3, 2026
Retailer 9$900 USD
Retailer 6$1,085 USD
Retailer 2$1,114 USD
Retailer 8$1,474 USD
Retailer 4$1,504 USD
Retailer 5$1,546 USD
Retailer 3$2,206 USD
Retailer 10$3,067 USD
Retailer 7$3,228 USD
Retailer 1$3,598 USD

3 data points across 10 retailers

11 retailers$900 USD to $4,680 USD

A
Cheapest Retailer
-
$900 USD
A
Retailer 2
-
$1,085 USD
£854 GBP
View
A
Retailer 3
-
$1,114 USD
HK$8,700 HKD
View
A
Retailer 4
-
$1,474 USD
£1,161 GBP
View
A
Retailer 5
-
$1,504 USD
€1,432 EUR
View
A
Retailer 6
-
$1,546 USD
View
A
Retailer 7
-
$2,206 USD
View
A
Retailer 8
-
$3,067 USD
View
A
Retailer 9
-
$3,228 USD
SGD 4,362 SGD
View
B+
Retailer 10
-
$3,598 USD
£2,833 GBP
View
Most Expensive
B+
Brilliant Earth
22437121A · Nov 1
$4,680 USD
View
10 more retailers have this diamond
Prices start from $900 USDSave up to $3,780 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 Heart
$900 USD