Heart|Lab Grown|IGI

1.56ct G VS1 Heart Lab Grown Diamond

ID • G/VS1 • IGI LG539215719

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG539215719

Diamond specifications and retailer prices

From $1,370 USD
As of October 31, 2026
Save $1,365 USD (50%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $6,980 USD at MOH London · As of November 1, 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 LG539215719 or 539215719. Listed at 15 retailers as of October 31, 2026, with a 100% 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
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.3°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG539215719
Dimensions7.11 × 8.29 × 4.71 mm
L/W Ratio1.17
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.11 mm8.29 mm1.56 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG539215719
Side View
Table 62.5%Crown 33.3°Girdle: MED-THKPavilion 39.2°Culet: NoneDepth 56.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $6,980 USD|Low: $1,370 USD|High: $7,073 USD|Avg: $4,041 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 6$1,370 USD
Retailer 8$2,218 USD
Retailer 12$2,484 USD
Retailer 9$2,572 USD
Retailer 3$2,735 USD
Retailer 2$3,541 USD
Retailer 11$4,017 USD
Retailer 7$4,032 USD
Retailer 5$4,729 USD
Retailer 10$6,869 USD
Retailer 4$6,883 USD
MOH London$6,980 USD

41 data points across 12 retailers

15 retailers$1,370 USD to $2,735 USD

B
Cheapest Retailer
-
$1,370 USD
B
Retailer 2
-
$2,218 USD
View
B
Retailer 3
-
$2,413 USD
View
B
Retailer 4
-
$2,484 USD
View
Final sale: no returns
B
Retailer 5
-
$2,572 USD
View
Retailer 6
-
$2,572 USD
View
Price last confirmed 22 days ago
B
Retailer 7
-
$2,735 USD
View
Retailer 8
-
$3,536 USD
View
Price under review
Retailer 9
-
$3,541 USD
£2,788 GBP
View
Price under review
Retailer 10
-
$4,017 USD
View
Price under review
Retailer 11
-
$4,032 USD
View
Price under review
Most Expensive
MOH London
LG539215719 · Nov 1
$6,980 USD
£5,496 GBP
View
Price under review
11 more retailers have this diamond
Prices start from $1,370 USDSave up to $1,365 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.

B
1.56ct Heart
$1,370 USD