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1.53ct J SI1 Round Lab Grown Diamond

EX • J/SI1 • IGI LG497158286

Shape and cutting style on the report: Round brilliant

Certificate IGI LG497158286

Diamond specifications and retailer prices

From $1,087 SGD
$850 USD
As of October 31, 2026
Save $4,554 SGD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,640 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG497158286 or 497158286. Listed at 11 retailers as of October 31, 2026, with prices from $1,087 to $5,640, a $4,554 spread on the same certified stone. MOH London lists it at $5,640. 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
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG497158286
Dimensions7.37 × 7.35 × 4.61 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.37 mm7.35 mm1.53 ctJ / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG497158286
Side View
Table 57.5%Crown 35.3°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
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: Oct 31
Current: $5,640 SGD|Low: $1,087 SGD|High: $5,715 SGD|Avg: $2,758 SGD
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 2$1,087 SGD
Retailer 4$1,514 SGD
Retailer 7$1,693 SGD
Retailer 5$1,755 SGD
Retailer 3$1,900 SGD
Retailer 8$1,975 SGD
Retailer 10$2,490 SGD
Retailer 6$2,786 SGD
Retailer 9$3,459 SGD
Retailer 11$5,023 SGD
MOH London$5,640 SGD

17 data points across 11 retailers

11 retailers$1,087 SGD to $5,640 SGD

A
Cheapest Retailer
-
$1,087 SGD
$850 USD
B+
Retailer 2
-
$1,514 SGD
$1,184 USD
View
B+
Retailer 3
-
$1,647 SGD
$1,288 USD
View
B+
Retailer 4
-
$1,693 SGD
$1,324 USD
View
Final sale: no returns
Retailer 5
-
$1,755 SGD
$1,373 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
$1,755 SGD
$1,373 USD
View
B+
Retailer 7
-
$1,975 SGD
$1,545 USD
View
B
Retailer 8
-
$2,786 SGD
$2,179 USD
View
B
Retailer 9
-
$3,291 SGD
$2,574 USD
View
B
Retailer 10
-
$3,459 SGD
$2,706 USD
View
Most Expensive
B
MOH London
LG497158286 · Nov 1
$5,640 SGD
£3,474 GBP
View
10 more retailers have this diamond
Prices start from $1,087 SGDSave up to $4,554 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
$1,087 SGD