CaratHunter
Plans
Cushion|Lab Grown|IGI

1.53ct I SI1 Cushion Lab Grown Diamond

ID • I/SI1 • IGI LG425067812

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG425067812

Diamond specifications and retailer prices

From HK$6,747 HKD
$860 USD
As of October 31, 2026
Save HK$31,883 HKD (83%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$38,631 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 1.53ct lab-grown cushion diamond

This 1.53ct lab-grown cushion sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG425067812 or 425067812. Listed at 6 retailers as of October 31, 2026, with prices from HK$6,747 to HK$38,631, a HK$31,883 spread on the same certified stone. MOH London lists it at HK$38,631. 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
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.8°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG425067812
Dimensions7.06 × 6.82 × 4.55 mm
L/W Ratio1.04
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
7.06 mm6.82 mm1.53 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG425067812
Side View
Table 57.0%Crown 36.8°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 66.7%

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: Oct 31
Current: HK$38,631 HKD|Low: HK$6,747 HKD|High: HK$39,099 HKD|Avg: HK$19,423 HKD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 2HK$6,747 HKD
Retailer 5HK$11,596 HKD
Retailer 4HK$12,027 HKD
Retailer 6HK$13,377 HKD
Retailer 7HK$16,539 HKD
Retailer 3HK$19,018 HKD
Retailer 8HK$34,426 HKD
MOH LondonHK$38,631 HKD

12 data points across 8 retailers

6 retailersHK$6,747 HKD to HK$38,631 HKD

A
Cheapest Retailer
-
HK$6,747 HKD
$860 USD
B
Retailer 2
-
HK$11,596 HKD
$1,478 USD
View
Final sale: no returns
Retailer 3
-
HK$12,027 HKD
$1,533 USD
View
Price last confirmed 20 days ago
B
Retailer 4
-
HK$13,377 HKD
$1,705 USD
View
B
Retailer 5
-
HK$19,018 HKD
$2,424 USD
View
Most Expensive
B
MOH London
LG425067812 · Nov 1
HK$38,631 HKD
£3,877 GBP
View
5 more retailers have this diamond
Prices start from HK$6,747 HKDSave up to HK$31,883 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 Cushion
HK$6,747 HKD