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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 $364 NZD
As of November 4, 2026
Save $1,784 NZD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,148 NZD 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 $364 to $2,148, a $1,784 spread on the same certified stone. Reve Diamonds lists it at $2,148. 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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Price History

Last verified: Nov 4
Current: $821 NZD|Low: $349 NZD|High: $2,134 NZD|Avg: $923 NZD|+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$364 NZD
Retailer 2$422 NZD
Retailer 3$452 NZD
Retailer 12$452 NZD
Retailer 4$555 NZD
Retailer 8$594 NZD
Retailer 14$779 NZD
Retailer 1$821 NZD
Retailer 5$871 NZD
Retailer 9$1,011 NZD
Retailer 13$1,451 NZD
Retailer 10$1,456 NZD
Retailer 6$1,545 NZD
Retailer 7$2,106 NZD

44 data points across 14 retailers

16 retailers$364 NZD to $2,148 NZD

A
Cheapest Retailer
-
$364 NZD
A
Retailer 2
-
$408 NZD
View
Final sale: no returns
A
Retailer 3
-
$422 NZD
View
A
Retailer 4
-
$452 NZD
View
Retailer 5
-
$452 NZD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$555 NZD
View
A
Retailer 7
-
$594 NZD
View
B+
Retailer 8
-
$779 NZD
View
B+
Retailer 9
-
$821 NZD
View
B+
Retailer 10
-
$871 NZD
View
B+
Retailer 11
-
$1,011 NZD
View
B
Retailer 12
-
$1,451 NZD
View
B
Retailer 13
-
$1,456 NZD
View
B
Retailer 14
-
$1,545 NZD
View
B
Retailer 15
-
$2,106 NZD
View
Most Expensive
B
Reve Diamonds
DC93605AF · Nov 4
$2,148 NZD
$1,211 USD
View
15 more retailers have this diamond
Prices start from $364 NZDSave up to $1,784 NZD

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
$364 NZD