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1.53ct J SI1 Round Lab Grown Diamond

ID • J/SI1 • IGI LG492133924

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492133924

Diamond specifications and retailer prices

From HK$6,669 HKD
$850 USD
As of November 2, 2026
Save HK$28,126 HKD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$34,794 HKD at MOH London · As of October 29, 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 LG492133924 or 492133924. Listed at 11 retailers as of October 29, 2026, with prices from HK$6,669 to HK$34,794, a HK$28,126 spread on the same certified stone. MOH London lists it at HK$34,794. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492133924
Dimensions7.37 × 7.34 × 4.59 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 mm7.34 mm1.53 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492133924
Side View
Table 58.0%Crown 35.3°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.5%

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: HK$34,794 HKD|Low: HK$6,669 HKD|High: HK$35,073 HKD|Avg: HK$15,413 HKD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2HK$6,669 HKD
Retailer 3HK$9,289 HKD
Retailer 6HK$10,388 HKD
Retailer 4HK$10,772 HKD
Retailer 10HK$11,661 HKD
Retailer 7HK$12,122 HKD
Retailer 9HK$15,283 HKD
Retailer 5HK$17,096 HKD
Retailer 8HK$21,230 HKD
MOH LondonHK$34,794 HKD

16 data points across 10 retailers

11 retailersHK$6,669 HKD to HK$34,794 HKD

A
Cheapest Retailer
-
HK$6,669 HKD
$850 USD
B+
Retailer 2
-
HK$9,289 HKD
$1,184 USD
View
B+
Retailer 3
-
HK$10,105 HKD
$1,288 USD
View
B+
Retailer 4
-
HK$10,388 HKD
$1,324 USD
View
Final sale: no returns
B+
Retailer 5
-
HK$10,772 HKD
$1,373 USD
View
Retailer 6
-
HK$10,772 HKD
$1,373 USD
View
Price last confirmed 20 days ago
B+
Retailer 7
-
HK$12,122 HKD
$1,545 USD
View
B
Retailer 8
-
HK$17,096 HKD
$2,179 USD
View
B
Retailer 9
-
HK$20,195 HKD
$2,574 USD
View
B
Retailer 10
-
HK$21,230 HKD
$2,706 USD
View
Most Expensive
B
MOH London
LG492133924 · Oct 29
HK$34,794 HKD
£3,492 GBP
View
10 more retailers have this diamond
Prices start from HK$6,669 HKDSave up to HK$28,126 HKD

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
HK$6,669 HKD