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Heart|Lab Grown|IGI

1.02ct I SI1 Heart Lab Grown Diamond

ID • I/SI1 • IGI LG436045945

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG436045945

Diamond specifications and retailer prices

From $1,118 NZD
As of November 6, 2026
Save $6,052 NZD (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,171 NZD at MOH London · As of November 5, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436045945 or 436045945. Listed at 11 retailers as of November 5, 2026, with prices from $1,118 to $7,171, a $6,052 spread on the same certified stone. MOH London lists it at $7,171. 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
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38.1°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436045945
Dimensions7.22 × 6.06 × 4.09 mm
L/W Ratio1.19
Girdle conditionFaceted
Culet sizePointed
Top View
7.22 mm6.06 mm1.02 ctI / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436045945
Side View
Table 56.5%Crown 38.1°Girdle: THN-STKPavilion 39°Culet: NoneDepth 56.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $7,171 NZD|Low: $1,118 NZD|High: $7,278 NZD|Avg: $3,469 NZD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 2$1,118 NZD
Retailer 3$1,827 NZD
Retailer 6$2,046 NZD
Retailer 4$2,120 NZD
Retailer 7$2,435 NZD
Retailer 9$3,045 NZD
Retailer 5$3,386 NZD
Retailer 8$4,430 NZD
Retailer 10$6,070 NZD
MOH London$7,171 NZD

13 data points across 10 retailers

11 retailers$1,118 NZD to $7,171 NZD

A
Cheapest Retailer
-
$1,118 NZD
B+
Retailer 2
-
$1,827 NZD
View
B+
Retailer 3
-
$1,988 NZD
View
B+
Retailer 4
-
$2,046 NZD
View
Final sale: no returns
B+
Retailer 5
-
$2,120 NZD
View
Retailer 6
-
$2,120 NZD
View
Price last confirmed 25 days ago
B+
Retailer 7
-
$2,435 NZD
View
B
Retailer 8
-
$3,386 NZD
View
B
Retailer 9
-
$3,974 NZD
View
B
Retailer 10
-
$4,430 NZD
View
Most Expensive
B
MOH London
LG436045945 · Nov 5
$7,171 NZD
£3,130 GBP
View
10 more retailers have this diamond
Prices start from $1,118 NZDSave up to $6,052 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
$1,118 NZD