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Round|Lab Grown|IGI

1.53ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG792657659

Shape and cutting style on the report: Round brilliant

Certificate IGI LG792657659

Diamond specifications and retailer prices

From $291 AUD
As of November 5, 2026
Save $1,390 AUD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,682 AUD at MOH London · As of November 5, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG792657659 or 792657659. Listed at 18 retailers as of November 5, 2026, with prices from $291 to $1,682, a $1,390 spread on the same certified stone. MOH London lists it at $1,682. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG792657659
Dimensions7.30 × 7.36 × 4.58 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.30 mm7.36 mm1.53 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG792657659
Side View
Table 59.0%Crown 35.2°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $1,682 AUD|Low: $291 AUD|High: $1,714 AUD|Avg: $792 AUD|+10.4%
MOH London
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
Retailer 18
November 6, 2026
Retailer 18$291 AUD
Retailer 16$324 AUD
Retailer 14$337 AUD
Retailer 15$360 AUD
Retailer 6$401 AUD
Retailer 11$559 AUD
Retailer 2$587 AUD
Retailer 17$624 AUD
Retailer 12$650 AUD
Retailer 7$660 AUD
Retailer 9$731 AUD
Retailer 4$796 AUD
Retailer 8$1,093 AUD
Retailer 3$1,159 AUD
Retailer 13$1,163 AUD
Retailer 5$1,170 AUD
Retailer 10$1,400 AUD
MOH London$1,682 AUD

34 data points across 18 retailers

18 retailers$291 AUD to $1,682 AUD

A
Cheapest Retailer
-
$291 AUD
A
Retailer 2
-
$324 AUD
View
Final sale: no returns
A
Retailer 3
-
$337 AUD
View
A
Retailer 4
-
$360 AUD
View
A
Retailer 5
-
$401 AUD
View
A
Retailer 6
-
$559 AUD
View
A
Retailer 7
-
$587 AUD
View
B+
Retailer 8
-
$624 AUD
View
A
Retailer 9
-
$650 AUD
View
A
Retailer 10
-
$660 AUD
View
Retailer 11
-
$731 AUD
View
Price last confirmed 11 days ago
A
Retailer 12
-
$796 AUD
View
Retailer 13
-
$1,093 AUD
View
Price last confirmed 12 days ago
B+
Retailer 14
-
$1,159 AUD
View
B
Retailer 15
-
$1,163 AUD
View
B+
Retailer 16
-
$1,170 AUD
View
B
Retailer 17
-
$1,400 AUD
View
Most Expensive
B
MOH London
LG792657659 · Nov 5
$1,682 AUD
£927 GBP
View
17 more retailers have this diamond
Prices start from $291 AUDSave up to $1,390 AUD

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
$291 AUD