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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 $2,338 NZD
As of November 2, 2026
Save $4,475 NZD (66%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $6,813 NZD at With Clarity · As of November 3, 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 November 2, 2026, with prices from $2,338 to $6,813, a $4,475 spread on the same certified stone. With Clarity lists it at $6,813. 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
Colour
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

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $2,916 NZD|Low: $2,338 NZD|High: $6,813 NZD|Avg: $4,235 NZD|-0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
With Clarity
November 2, 2026
Retailer 4$2,338 NZD
Retailer 1$2,916 NZD
Retailer 2$3,015 NZD
Retailer 5$3,037 NZD
Retailer 3$4,452 NZD
Retailer 6$6,584 NZD
With Clarity$6,813 NZD

12 data points across 7 retailers

7 retailers$2,338 NZD to $6,813 NZD

A
Cheapest Retailer
-
$2,338 NZD
A
Retailer 2
-
$2,916 NZD
View
A
Retailer 3
-
$3,015 NZD
View
A
Retailer 4
-
$3,037 NZD
View
B+
Retailer 5
-
$4,452 NZD
View
B+
Retailer 6
-
$6,584 NZD
View
Most Expensive
B+
With Clarity
837693652 · Nov 3
$6,813 NZD
$3,832 USD
View
6 more retailers have this diamond
Prices start from $2,338 NZDSave up to $4,475 NZD

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
$2,338 NZD