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Heart|Lab Grown|IGI

1.53ct H SI1 Heart Lab Grown Diamond

ID • H/SI1 • IGI LG425067502

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG425067502

Diamond specifications and retailer prices

From $1,768 NZD
As of November 6, 2026
Save $6,956 NZD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $8,724 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 1.53ct lab-grown heart diamond

This 1.53ct lab-grown heart sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG425067502 or 425067502. Listed at 11 retailers as of November 1, 2026, with prices from $1,768 to $8,724, a $6,956 spread on the same certified stone. MOH London lists it at $8,724. 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

1.53
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.9°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG425067502
Dimensions8.08 × 7.35 × 4.33 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.08 mm7.35 mm1.53 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG425067502
Side View
Table 58.0%Crown 33.9°Girdle: STK-THKPavilion 38°Culet: NoneDepth 53.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $8,724 NZD|Low: $1,768 NZD|High: $8,829 NZD|Avg: $4,770 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 2$1,768 NZD
Retailer 3$2,634 NZD
Retailer 6$2,948 NZD
Retailer 4$3,054 NZD
Retailer 7$3,364 NZD
Retailer 9$4,149 NZD
Retailer 5$4,818 NZD
Retailer 8$5,543 NZD
MOH London$8,724 NZD
Retailer 10$8,744 NZD

13 data points across 10 retailers

11 retailers$1,768 NZD to $8,724 NZD

B+
Cheapest Retailer
-
$1,768 NZD
B
Retailer 2
-
$2,634 NZD
View
B
Retailer 3
-
$2,865 NZD
View
B
Retailer 4
-
$2,948 NZD
View
Final sale: no returns
B
Retailer 5
-
$3,054 NZD
View
Retailer 6
-
$3,054 NZD
View
Price last confirmed 25 days ago
B
Retailer 7
-
$3,364 NZD
View
B
Retailer 8
-
$4,818 NZD
View
B
Retailer 9
-
$5,543 NZD
View
B
Retailer 10
-
$5,726 NZD
View
Most Expensive
B
MOH London
LG425067502 · Nov 1
$8,724 NZD
£3,808 GBP
View
10 more retailers have this diamond
Prices start from $1,768 NZDSave up to $6,956 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.

B+
1.53ct Heart
$1,768 NZD