Heart|Lab Grown|IGI

2.51ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG837693652

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG837693652

Diamond specifications and retailer prices

From $1,315 USD
As of November 1, 2026
Save $2,517 USD (66%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $3,832 USD at With Clarity · As of October 31, 2026
View at With Clarity

About this 2.51ct lab-grown heart diamond

This 2.51ct lab-grown heart sits in the two to three carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG837693652 or 837693652. Listed at 7 retailers as of October 31, 2026, with prices from $1,315 to $3,832, a $2,517 spread on the same certified stone. With Clarity lists it at $3,832. 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
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837693652
Dimensions8.34 × 9.28 × 5.48 mm
L/W Ratio1.11
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
8.34 mm9.28 mm2.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837693652
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 38.9°Culet: NoneDepth 59.1%

Caratlytics Score

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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: $1,641 USD|Low: $1,315 USD|High: $3,832 USD|Avg: $2,391 USD|-0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
With Clarity
October 31, 2026
Retailer 4$1,315 USD
Retailer 1$1,641 USD
Retailer 2$1,697 USD
Retailer 5$1,708 USD
Retailer 3$2,504 USD
Retailer 6$3,703 USD
With Clarity$3,832 USD

10 data points across 7 retailers

7 retailers$1,315 USD to $3,832 USD

A
Cheapest Retailer
-
$1,315 USD
A
Retailer 2
-
$1,641 USD
£1,292 GBP
View
A
Retailer 3
-
$1,697 USD
€1,616 EUR
View
A
Retailer 4
-
$1,708 USD
View
B+
Retailer 5
-
$2,504 USD
View
B+
Retailer 6
-
$3,703 USD
View
Most Expensive
B+
With Clarity
837693652 · Oct 31
$3,832 USD
View
6 more retailers have this diamond
Prices start from $1,315 USDSave up to $2,517 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
$1,315 USD