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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 $1,883 AUD
As of November 2, 2026
Save $3,604 AUD (66%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $5,487 AUD 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 $1,883 to $5,487, a $3,604 spread on the same certified stone. With Clarity lists it at $5,487. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $2,348 AUD|Low: $1,883 AUD|High: $5,487 AUD|Avg: $3,411 AUD|-0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
With Clarity
November 2, 2026
Retailer 4$1,883 AUD
Retailer 1$2,348 AUD
Retailer 2$2,429 AUD
Retailer 5$2,446 AUD
Retailer 3$3,585 AUD
Retailer 6$5,302 AUD
With Clarity$5,487 AUD

12 data points across 7 retailers

7 retailers$1,883 AUD to $5,487 AUD

A
Cheapest Retailer
-
$1,883 AUD
A
Retailer 2
-
$2,348 AUD
View
A
Retailer 3
-
$2,429 AUD
View
A
Retailer 4
-
$2,446 AUD
View
B+
Retailer 5
-
$3,585 AUD
View
B+
Retailer 6
-
$5,302 AUD
View
Most Expensive
B+
With Clarity
837693652 · Nov 3
$5,487 AUD
$3,832 USD
View
6 more retailers have this diamond
Prices start from $1,883 AUDSave up to $3,604 AUD

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
$1,883 AUD