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Heart|Lab Grown|IGI

1.02ct G SI1 Heart Lab Grown Diamond

ID • G/SI1 • IGI LG526278790

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG526278790

Diamond specifications and retailer prices

From €182 EUR
As of November 4, 2026
Save €893 EUR (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,074 EUR at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

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 LG526278790 or 526278790. Listed at 16 retailers as of November 4, 2026, with prices from €182 to €1,074, a €893 spread on the same certified stone. Reve Diamonds lists it at €1,074. 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
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG526278790
Dimensions7.24 × 6.16 × 4.02 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizePointed
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
7.24 mm6.16 mm1.02 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG526278790
Side View
Table 58.5%Crown 34.1°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 55.5%

Caratlytics Score

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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 4
Current: €411 EUR|Low: €175 EUR|High: €1,068 EUR|Avg: €462 EUR|+2.2%
Retailer 1
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
November 5, 2026
Retailer 11€182 EUR
Retailer 2€211 EUR
Retailer 3€226 EUR
Retailer 12€226 EUR
Retailer 4€278 EUR
Retailer 8€297 EUR
Retailer 14€390 EUR
Retailer 1€411 EUR
Retailer 5€436 EUR
Retailer 9€506 EUR
Retailer 13€726 EUR
Retailer 10€729 EUR
Retailer 6€773 EUR
Retailer 7€1,054 EUR

44 data points across 14 retailers

16 retailers€182 EUR to €1,074 EUR

A
Cheapest Retailer
-
€182 EUR
A
Retailer 2
-
€204 EUR
View
Final sale: no returns
A
Retailer 3
-
€211 EUR
View
A
Retailer 4
-
€226 EUR
View
Retailer 5
-
€226 EUR
View
Price last confirmed 11 days ago
A
Retailer 6
-
€278 EUR
View
A
Retailer 7
-
€297 EUR
View
B+
Retailer 8
-
€390 EUR
View
B+
Retailer 9
-
€411 EUR
View
B+
Retailer 10
-
€436 EUR
View
B+
Retailer 11
-
€506 EUR
View
B
Retailer 12
-
€726 EUR
View
B
Retailer 13
-
€729 EUR
View
B
Retailer 14
-
€773 EUR
View
B
Retailer 15
-
€1,054 EUR
View
Most Expensive
B
Reve Diamonds
DC93605AF · Nov 4
€1,074 EUR
$1,211 USD
View
15 more retailers have this diamond
Prices start from €182 EURSave up to €893 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
€182 EUR