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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 €183 EUR
$205 USD
As of October 30, 2026
Save €900 EUR (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,084 EUR at Reve Diamonds · As of November 1, 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 October 30, 2026, with prices from €183 to €1,084, a €900 spread on the same certified stone. Reve Diamonds lists it at €1,084. 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
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: Oct 30
Current: €1,065 EUR|Low: €176 EUR|High: €1,084 EUR|Avg: €499 EUR|+3.8%
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
Retailer 15
Reve Diamonds
November 1, 2026
Retailer 12€183 EUR
Retailer 7€206 EUR
Retailer 2€213 EUR
Retailer 3€228 EUR
Retailer 13€228 EUR
Retailer 4€280 EUR
Retailer 8€301 EUR
Retailer 15€393 EUR
Retailer 9€419 EUR
Retailer 5€439 EUR
Retailer 10€510 EUR
Retailer 14€732 EUR
Retailer 11€735 EUR
Retailer 6€780 EUR
Retailer 1€1,065 EUR
Reve Diamonds€1,084 EUR

43 data points across 16 retailers

16 retailers€183 EUR to €1,084 EUR

A
Cheapest Retailer
-
€183 EUR
$205 USD
A
Retailer 2
-
€206 EUR
$230 USD
View
Final sale: no returns
A
Retailer 3
-
€213 EUR
$238 USD
View
A
Retailer 4
-
€228 EUR
$255 USD
View
Retailer 5
-
€228 EUR
$255 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
€280 EUR
$313 USD
View
A
Retailer 7
-
€301 EUR
£264 GBP
View
B+
Retailer 8
-
€393 EUR
$439 USD
View
B+
Retailer 9
-
€419 EUR
£369 GBP
View
B+
Retailer 10
-
€439 EUR
$491 USD
View
B+
Retailer 11
-
€510 EUR
$570 USD
View
B
Retailer 12
-
€732 EUR
$818 USD
View
B
Retailer 13
-
€735 EUR
$821 USD
View
B
Retailer 14
-
€780 EUR
$872 USD
View
B
Retailer 15
-
€1,065 EUR
£937 GBP
View
Most Expensive
B
Reve Diamonds
DC93605AF · Nov 1
€1,084 EUR
$1,211 USD
View
15 more retailers have this diamond
Prices start from €183 EURSave up to €900 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
€183 EUR