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1.53ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG818686765

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818686765

Diamond specifications and retailer prices

From $362 NZD
$204 USD
As of November 1, 2026
Save $1,731 NZD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,093 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 1.53ct lab-grown round diamond

This 1.53ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG818686765 or 818686765. Listed at 14 retailers as of November 1, 2026, with prices from $362 to $2,093, a $1,731 spread on the same certified stone. MOH London lists it at $2,093. 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
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818686765
Dimensions7.40 × 7.34 × 4.57 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.40 mm7.34 mm1.53 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818686765
Side View
Table 59.0%Crown 34.2°Girdle: MediumPavilion 41.5°Culet: NoneDepth 61.9%

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 1
Current: $2,093 NZD|Low: $362 NZD|High: $2,118 NZD|Avg: $1,073 NZD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 7$362 NZD
Retailer 9$447 NZD
Retailer 4$745 NZD
Retailer 10$775 NZD
Retailer 2$821 NZD
Retailer 3$829 NZD
Retailer 6$1,157 NZD
Retailer 5$1,269 NZD
Retailer 11$1,534 NZD
Retailer 8$1,544 NZD
MOH London$2,093 NZD

42 data points across 11 retailers

14 retailers$362 NZD to $2,093 NZD

A
Cheapest Retailer
-
$362 NZD
$204 USD
A
Retailer 2
-
$419 NZD
$236 USD
View
Retailer 3
-
$447 NZD
$252 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$447 NZD
$252 USD
View
A
Retailer 5
-
$745 NZD
€400 EUR
View
B+
Retailer 6
-
$775 NZD
$437 USD
View
A
Retailer 7
-
$821 NZD
£364 GBP
View
A
Retailer 8
-
$829 NZD
$467 USD
View
B+
Retailer 9
-
$1,157 NZD
$652 USD
View
B+
Retailer 10
-
$1,269 NZD
$715 USD
View
B+
Retailer 11
-
$1,439 NZD
$811 USD
View
B
Retailer 12
-
$1,534 NZD
$865 USD
View
B
Retailer 13
-
$1,544 NZD
$870 USD
View
Most Expensive
B
MOH London
LG818686765 · Nov 1
$2,093 NZD
£929 GBP
View
13 more retailers have this diamond
Prices start from $362 NZDSave up to $1,731 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
1.53ct Round
$362 NZD