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Heart|Lab Grown|IGI

1.56ct G VS1 Heart Lab Grown Diamond

EX • G/VS1 • IGI LG539204149

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG539204149

Diamond specifications and retailer prices

From $291 USD
As of October 30, 2026
Save $1,156 USD (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,447 USD at MOH London · As of October 26, 2026
View at MOH London

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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG539204149 or 539204149. Listed at 21 retailers as of October 26, 2026, with prices from $291 to $1,447, a $1,156 spread on the same certified stone. MOH London lists it at $1,447. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG539204149
Dimensions6.81 × 8.15 × 4.79 mm
L/W Ratio1.20
Girdle conditionFaceted
Culet sizePointed
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 Faint Blue
Top View
6.81 mm8.15 mm1.56 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG539204149
Side View
Table 60.5%Crown 35.6°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 58.8%

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: $1,447 USD|Low: $279 USD|High: $1,463 USD|Avg: $753 USD|-1.1%
MOH London
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
November 2, 2026
Retailer 3$291 USD
Retailer 10$325 USD
Retailer 4$361 USD
Retailer 14$361 USD
Retailer 11$520 USD
Retailer 13$520 USD
Retailer 8$532 USD
Retailer 9$622 USD
Retailer 2$638 USD
Retailer 7$698 USD
Retailer 12$839 USD
Retailer 16$1,108 USD
Retailer 15$1,130 USD
Retailer 6$1,157 USD
Retailer 5$1,264 USD
MOH London$1,447 USD

45 data points across 16 retailers

21 retailers$291 USD to $1,447 USD

Retailer 1
-
$291 USD
Price last confirmed 16 days ago
A
Retailer 2
-
$291 USD
View
A
Retailer 3
-
$325 USD
View
Final sale: no returns
Retailer 4
-
$337 USD
View
Price last confirmed 17 days ago
Retailer 5
-
$361 USD
View
Price last confirmed 7 days ago
Retailer 6
-
$361 USD
View
Price last confirmed 14 days ago
A
Retailer 7
-
$520 USD
View
A
Retailer 8
-
$520 USD
View
A
Retailer 9
-
$532 USD
View
B+
Retailer 10
-
$622 USD
ZAR 10,046 ZAR
View
B+
Retailer 11
-
$638 USD
£502 GBP
View
B+
Retailer 12
-
$698 USD
View
B+
Retailer 13
-
$839 USD
A$1,290 AUD
View
B
Retailer 14
-
$1,108 USD
View
B
Retailer 15
-
$1,130 USD
View
Retailer 16
-
$1,157 USD
SGD 1,564 SGD
View
Price last confirmed 20 days ago
Retailer 17
-
$1,159 USD
View
Price last confirmed 16 days ago
B
Retailer 18
-
$1,208 USD
View
B
Retailer 19
-
$1,264 USD
View
B
Retailer 20
-
$1,386 USD
View
Most Expensive
B
MOH London
LG539204149 · Oct 26
$1,447 USD
£1,139 GBP
View
20 more retailers have this diamond
Prices start from $291 USDSave up to $1,156 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
$291 USD