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Heart|Lab Grown|IGI

1.56ct D VS1 Heart Lab Grown Diamond

EX • D/VS1 • IGI LG726564670

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG726564670

Diamond specifications and retailer prices

From $240 USD
As of October 30, 2026
Save $976 USD (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,680 USD at Brilliant Earth · As of October 23, 2026
View at Brilliant Earth

About this 1.56ct lab-grown heart diamond

This 1.56ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG726564670 or 726564670. Listed at 20 retailers as of October 30, 2026, with a 407% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
D
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG726564670
Dimensions7.26 × 8.07 × 4.67 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.26 mm8.07 mm1.56 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG726564670
Side View
Table 58.0%Crown 34.1°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 57.9%

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: $1,680 USD|Low: $233 USD|High: $1,800 USD|Avg: $730 USD|-6.7%
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 8$240 USD
Retailer 7$267 USD
Retailer 4$298 USD
Retailer 17$298 USD
Retailer 14$400 USD
Retailer 12$511 USD
Retailer 3$554 USD
Retailer 10$559 USD
Retailer 6$625 USD
Retailer 13$694 USD
Retailer 15$957 USD
Retailer 16$960 USD
Retailer 5$1,009 USD
Retailer 11$1,077 USD
Retailer 2$1,193 USD
Retailer 9$1,221 USD
Brilliant Earth$1,680 USD

36 data points across 17 retailers

20 retailers$240 USD to $1,216 USD

A
Cheapest Retailer
-
$240 USD
A
Retailer 2
-
$267 USD
View
Final sale: no returns
A
Retailer 3
-
$298 USD
View
Retailer 4
-
$298 USD
View
Price last confirmed 7 days ago
Retailer 5
-
$299 USD
View
Price last confirmed 34 days ago
B+
Retailer 6
-
$400 USD
View
A
Retailer 7
-
$511 USD
ZAR 8,260 ZAR
View
B+
Retailer 8
-
$554 USD
View
B+
Retailer 9
-
$559 USD
£440 GBP
View
B+
Retailer 10
-
$625 USD
View
B+
Retailer 11
-
$694 USD
A$1,067 AUD
View
B
Retailer 12
-
$957 USD
View
B
Retailer 13
-
$960 USD
View
B
Retailer 14
-
$1,009 USD
View
B
Retailer 15
-
$1,077 USD
View
Retailer 16
-
$1,170 USD
View
Price last confirmed 17 days ago
B
Retailer 17
-
$1,193 USD
£939 GBP
View
B
Retailer 18
-
$1,216 USD
View
Retailer 19
-
$1,221 USD
SGD 1,650 SGD
View
Price last confirmed 20 days ago
Most Expensive
Brilliant Earth
20458533A · Oct 23
$1,680 USD
View
Price last confirmed 8 days ago
19 more retailers have this diamond
Prices start from $240 USDSave up to $976 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
1.56ct Heart
$240 USD