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1.53ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG770637221

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770637221

Diamond specifications and retailer prices

From $747 NZD
€401 EUR
As of November 2, 2026
Save $1,346 NZD (64%) vs most expensive(unlock to see where)
11 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 LG770637221 or 770637221. Listed at 11 retailers as of November 1, 2026, with prices from $747 to $2,093, a $1,346 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 angle33.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770637221
Dimensions7.44 × 7.43 × 4.51 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.44 mm7.43 mm1.53 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770637221
Side View
Table 58.0%Crown 33.5°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.6%

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 2
Current: $2,093 NZD|Low: $447 NZD|High: $2,118 NZD|Avg: $1,086 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 8$447 NZD
Retailer 2$747 NZD
Retailer 7$775 NZD
Retailer 3$814 NZD
Retailer 9$903 NZD
Retailer 5$1,157 NZD
Retailer 4$1,269 NZD
Retailer 6$1,544 NZD
MOH London$2,093 NZD

42 data points across 9 retailers

11 retailers$747 NZD to $2,093 NZD

Retailer 1
-
$447 NZD
$252 USD
Price last confirmed 8 days ago
A
Retailer 2
-
$747 NZD
€401 EUR
View
B+
Retailer 3
-
$775 NZD
$437 USD
View
A
Retailer 4
-
$814 NZD
£361 GBP
View
A
Retailer 5
-
$829 NZD
$467 USD
View
B+
Retailer 6
-
$903 NZD
$509 USD
View
B+
Retailer 7
-
$1,157 NZD
$652 USD
View
B+
Retailer 8
-
$1,269 NZD
$715 USD
View
B
Retailer 9
-
$1,534 NZD
$865 USD
View
B
Retailer 10
-
$1,544 NZD
$870 USD
View
Most Expensive
B
MOH London
LG770637221 · Nov 1
$2,093 NZD
£929 GBP
View
10 more retailers have this diamond
Prices start from $747 NZDSave up to $1,346 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
$747 NZD