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Heart|Lab Grown|IGI

1.51ct D VS2 Heart Lab Grown Diamond

ID • D/VS2 • IGI LG647456789

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG647456789

Diamond specifications and retailer prices

From $253 USD
As of October 30, 2026
Save $1,107 USD (81%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,360 USD at Brilliant Earth · As of November 1, 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 LG647456789 or 647456789. Listed at 17 retailers as of October 30, 2026, with prices from $253 to $1,360, a $1,107 spread on the same certified stone. Brilliant Earth lists it at $1,360. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG647456789
Dimensions6.97 × 8.23 × 4.71 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.97 mm8.23 mm1.51 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG647456789
Side View
Table 57.0%Crown 35°Girdle: MediumPavilion 39.1°Culet: NoneDepth 57.2%

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 30
Current: $1,360 USD|Low: $253 USD|High: $1,570 USD|Avg: $732 USD|-13.4%
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
November 1, 2026
Retailer 14$253 USD
Retailer 3$294 USD
Retailer 16$314 USD
Retailer 17$314 USD
Retailer 13$352 USD
Retailer 11$475 USD
Retailer 7$525 USD
Retailer 9$526 USD
Retailer 10$599 USD
Retailer 5$653 USD
Retailer 12$966 USD
Retailer 15$1,010 USD
Retailer 8$1,062 USD
Retailer 4$1,157 USD
Retailer 6$1,236 USD
Retailer 2$1,260 USD
Brilliant Earth$1,360 USD

39 data points across 17 retailers

17 retailers$253 USD to $1,360 USD

A
Cheapest Retailer
-
$253 USD
A
Retailer 2
-
$294 USD
View
A
Retailer 3
-
$314 USD
View
Retailer 4
-
$314 USD
View
Price last confirmed 7 days ago
Retailer 5
-
$352 USD
£277 GBP
View
Price last confirmed 15 days ago
A
Retailer 6
-
$475 USD
View
A
Retailer 7
-
$525 USD
View
B+
Retailer 8
-
$526 USD
View
B+
Retailer 9
-
$599 USD
£472 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 14 days ago
B
Retailer 14
-
$1,157 USD
View
B
Retailer 15
-
$1,236 USD
View
B
Retailer 16
-
$1,260 USD
£992 GBP
View
Most Expensive
B
Brilliant Earth
11429311A · Nov 1
$1,360 USD
View
16 more retailers have this diamond
Prices start from $253 USDSave up to $1,107 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