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Heart|Lab Grown|IGI

1.02ct G SI1 Heart Lab Grown Diamond

ID • G/SI1 • IGI LG770653157

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG770653157

Diamond specifications and retailer prices

From €264 EUR
$295 USD
As of November 1, 2026
Save €541 EUR (67%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €805 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 1.02ct lab-grown heart diamond

This 1.02ct lab-grown heart sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG770653157 or 770653157. Listed at 7 retailers as of October 29, 2026, with prices from €264 to €805, a €541 spread on the same certified stone. MOH London lists it at €805. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.02
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.5°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770653157
Dimensions6.45 × 6.78 × 3.83 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.45 mm6.78 mm1.02 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG770653157
Side View
Table 67.0%Crown 34.5°Girdle: THK-VTKPavilion 37.2°Culet: NoneDepth 56.5%

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: Nov 1
Current: €805 EUR|Low: €264 EUR|High: €811 EUR|Avg: €425 EUR|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 7€264 EUR
Retailer 2€299 EUR
Retailer 4€311 EUR
Retailer 3€325 EUR
Retailer 5€389 EUR
Retailer 6€600 EUR
MOH London€805 EUR

39 data points across 7 retailers

7 retailers€264 EUR to €805 EUR

A
Cheapest Retailer
-
€264 EUR
$295 USD
A
Retailer 2
-
€299 EUR
£263 GBP
View
A
Retailer 3
-
€311 EUR
$348 USD
View
A
Retailer 4
-
€325 EUR
£286 GBP
View
B+
Retailer 5
-
€389 EUR
$435 USD
View
B
Retailer 6
-
€600 EUR
$670 USD
View
Most Expensive
B
MOH London
LG770653157 · Oct 29
€805 EUR
£708 GBP
View
6 more retailers have this diamond
Prices start from €264 EURSave up to €541 EUR

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
1.02ct Heart
€264 EUR