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Heart|Lab Grown|IGI

1.51ct D VS2 Heart Lab Grown Diamond

EX • D/VS2 • IGI LG644493749

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG644493749

Diamond specifications and retailer prices

From $253 USD
As of October 27, 2026
Save $1,217 USD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,470 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.51ct lab-grown heart diamond

This 1.51ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG644493749 or 644493749. Listed at 17 retailers as of October 27, 2026, with prices from $253 to $1,470, a $1,217 spread on the same certified stone. Brilliant Earth lists it at $1,470. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644493749
Dimensions7.01 × 8.01 × 4.70 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizePointed
Top View
7.01 mm8.01 mm1.51 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG644493749
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 58.7%

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: Oct 27
Current: $1,470 USD|Low: $253 USD|High: $1,570 USD|Avg: $746 USD|-6.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 29, 2026
Retailer 15$253 USD
Retailer 11$294 USD
Retailer 3$314 USD
Retailer 17$314 USD
Retailer 14$352 USD
Retailer 10$475 USD
Retailer 7$525 USD
Retailer 9$526 USD
Retailer 2$597 USD
Retailer 5$653 USD
Retailer 12$966 USD
Retailer 16$1,010 USD
Retailer 8$1,062 USD
Retailer 4$1,157 USD
Retailer 6$1,236 USD
Retailer 13$1,266 USD
Brilliant Earth$1,470 USD

36 data points across 17 retailers

17 retailers$253 USD to $1,470 USD

A
Cheapest Retailer
-
$253 USD
A
Retailer 2
-
$294 USD
View
A
Retailer 3
-
$314 USD
View
A
Retailer 4
-
$314 USD
View
Retailer 5
-
$352 USD
£277 GBP
View
Price last confirmed 12 days ago
A
Retailer 6
-
$475 USD
View
A
Retailer 7
-
$525 USD
View
B+
Retailer 8
-
$526 USD
View
B+
Retailer 9
-
$597 USD
£470 GBP
View
B+
Retailer 10
-
$653 USD
View
B
Retailer 11
-
$966 USD
View
B
Retailer 12
-
$1,010 USD
View
Retailer 13
-
$1,062 USD
View
Price last confirmed 11 days ago
B
Retailer 14
-
$1,157 USD
View
B
Retailer 15
-
$1,236 USD
View
B
Retailer 16
-
$1,266 USD
£997 GBP
View
Most Expensive
B
Brilliant Earth
11353798A · Oct 28
$1,470 USD
View
16 more retailers have this diamond
Prices start from $253 USDSave up to $1,217 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
1.51ct Heart
$253 USD