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Heart|Lab Grown|IGI

1.55ct G VS1 Heart Lab Grown Diamond

EX • G/VS1 • IGI LG770667286

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG770667286

Diamond specifications and retailer prices

From $499 USD
As of November 1, 2026
Save $687 USD (58%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,186 USD at MOH London · As of November 2, 2026
View at MOH London

About this 1.55ct lab-grown heart diamond

This 1.55ct 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 LG770667286 or 770667286. Listed at 6 retailers as of November 1, 2026, with prices from $499 to $1,186, a $687 spread on the same certified stone. MOH London lists it at $1,186. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770667286
Dimensions7.00 × 8.08 × 4.86 mm
L/W Ratio1.15
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.00 mm8.08 mm1.55 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770667286
Side View
Table 60.0%Crown 34°Girdle: STK-THKPavilion 41.6°Culet: NoneDepth 60.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,186 USD|Low: $474 USD|High: $1,256 USD|Avg: $722 USD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 5$499 USD
Retailer 3$509 USD
Retailer 2$560 USD
Retailer 4$624 USD
Retailer 6$1,003 USD
MOH London$1,186 USD

42 data points across 6 retailers

6 retailers$499 USD to $1,186 USD

A
Cheapest Retailer
-
$499 USD
A
Retailer 2
-
$509 USD
View
A
Retailer 3
-
$560 USD
£441 GBP
View
B+
Retailer 4
-
$624 USD
View
B
Retailer 5
-
$1,003 USD
View
Most Expensive
B
MOH London
LG770667286 · Nov 2
$1,186 USD
£934 GBP
View
5 more retailers have this diamond
Prices start from $499 USDSave up to $687 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
1.55ct Heart
$499 USD