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Heart|Lab Grown|IGI

1.02ct F SI1 Heart Lab Grown Diamond

EX • F/SI1 • IGI LG839686937

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG839686937

Diamond specifications and retailer prices

From €151 EUR
$169 USD
As of October 30, 2026
Save €358 EUR (70%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €508 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.02ct lab-grown heart diamond

This 1.02ct lab-grown heart sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG839686937 or 839686937. Listed at 3 retailers as of October 30, 2026, with prices from €151 to €508, a €358 spread on the same certified stone. Brilliant Earth lists it at €508. 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
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839686937
Dimensions6.22 × 6.84 × 4.08 mm
L/W Ratio1.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.22 mm6.84 mm1.02 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839686937
Side View
Table 60.0%Crown 34.2°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 59.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: €508 EUR|Low: €151 EUR|High: €776 EUR|Avg: €446 EUR|-34.5%
Brilliant Earth
Retailer 2
Retailer 3
October 31, 2026
Retailer 3€151 EUR
Retailer 2€301 EUR
Brilliant Earth€508 EUR

27 data points across 3 retailers

3 retailers€151 EUR to €508 EUR

A
Cheapest Retailer
-
€151 EUR
$169 USD
Final sale: no returns
A
Retailer 2
-
€301 EUR
£265 GBP
View
Most Expensive
B+
Brilliant Earth
21601350A · Oct 30
€508 EUR
$570 USD
View
2 more retailers have this diamond
Prices start from €151 EURSave up to €358 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
€151 EUR