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Round|Lab Grown|IGI

1.53ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG781631509

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781631509

Diamond specifications and retailer prices

From $243 SGD
$190 USD
As of November 1, 2026
Save $1,163 SGD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,406 SGD 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 LG781631509 or 781631509. Listed at 19 retailers as of November 1, 2026, with prices from $243 to $1,406, a $1,163 spread on the same certified stone. MOH London lists it at $1,406. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781631509
Dimensions7.50 × 7.47 × 4.45 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
7.50 mm7.47 mm1.53 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781631509
Side View
Table 62.0%Crown 32.9°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 59.5%

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 1
Current: $1,406 SGD|Low: $239 SGD|High: $1,458 SGD|Avg: $688 SGD|-3.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 1, 2026
Retailer 4$243 SGD
Retailer 14$270 SGD
Retailer 13$281 SGD
Retailer 9$300 SGD
Retailer 5$303 SGD
Retailer 15$528 SGD
Retailer 2$541 SGD
Retailer 6$591 SGD
Retailer 12$727 SGD
Retailer 11$772 SGD
Retailer 7$920 SGD
Retailer 10$966 SGD
Retailer 16$981 SGD
Retailer 3$1,036 SGD
Retailer 8$1,112 SGD
MOH London$1,406 SGD

33 data points across 16 retailers

19 retailers$243 SGD to $1,406 SGD

A
Cheapest Retailer
-
$243 SGD
$190 USD
Retailer 2
-
$243 SGD
$190 USD
View
Price last confirmed 44 days ago
A
Retailer 3
-
$270 SGD
$211 USD
View
Final sale: no returns
A
Retailer 4
-
$281 SGD
$220 USD
View
Retailer 5
-
$297 SGD
$232 USD
View
Price last confirmed 43 days ago
A
Retailer 6
-
$300 SGD
$235 USD
View
Retailer 7
-
$303 SGD
$237 USD
View
Price last confirmed 7 days ago
B+
Retailer 8
-
$528 SGD
$413 USD
View
A
Retailer 9
-
$541 SGD
£333 GBP
View
A
Retailer 10
-
$591 SGD
$462 USD
View
B+
Retailer 11
-
$727 SGD
$569 USD
View
B+
Retailer 12
-
$772 SGD
$604 USD
View
Retailer 13
-
$920 SGD
$720 USD
View
Price last confirmed 11 days ago
B+
Retailer 14
-
$966 SGD
$756 USD
View
Retailer 15
-
$966 SGD
$756 USD
View
Price last confirmed 41 days ago
B+
Retailer 16
-
$981 SGD
View
B+
Retailer 17
-
$1,036 SGD
$810 USD
View
B
Retailer 18
-
$1,112 SGD
$870 USD
View
Most Expensive
B
MOH London
LG781631509 · Nov 1
$1,406 SGD
£866 GBP
View
18 more retailers have this diamond
Prices start from $243 SGDSave up to $1,163 SGD

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
$243 SGD