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Cushion|Lab Grown|IGI

1.50ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG529245314

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG529245314

Diamond specifications and retailer prices

From HK$2,181 HKD
$278 USD
As of November 1, 2026
Save HK$7,544 HKD (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$9,725 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 1.5ct lab-grown cushion diamond

This 1.5ct lab-grown cushion 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 LG529245314 or 529245314. Listed at 12 retailers as of October 29, 2026, with prices from HK$2,181 to HK$9,725, a HK$7,544 spread on the same certified stone. MOH London lists it at HK$9,725. 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

1.50
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG529245314
Dimensions6.77 × 6.56 × 4.45 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.77 mm6.56 mm1.50 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG529245314
Side View
Table 62.0%Crown 36.7°Girdle: MED-THKPavilion 40.5°Culet: NoneDepth 67.8%

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: HK$9,725 HKD|Low: HK$1,553 HKD|High: HK$9,807 HKD|Avg: HK$5,011 HKD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 11HK$2,181 HKD
Retailer 9HK$2,416 HKD
Retailer 2HK$2,687 HKD
Retailer 10HK$3,256 HKD
Retailer 3HK$3,954 HKD
Retailer 6HK$4,333 HKD
Retailer 12HK$4,370 HKD
Retailer 5HK$4,552 HKD
Retailer 8HK$6,065 HKD
Retailer 4HK$8,166 HKD
Retailer 7HK$8,866 HKD
MOH LondonHK$9,725 HKD

42 data points across 12 retailers

12 retailersHK$2,181 HKD to HK$9,725 HKD

A
Cheapest Retailer
-
HK$2,181 HKD
$278 USD
Final sale: no returns
Retailer 2
-
HK$2,416 HKD
$308 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
HK$2,687 HKD
£270 GBP
View
B+
Retailer 4
-
HK$3,256 HKD
$415 USD
View
A
Retailer 5
-
HK$3,954 HKD
$504 USD
View
A
Retailer 6
-
HK$4,333 HKD
€526 EUR
View
B+
Retailer 7
-
HK$4,370 HKD
$557 USD
View
A
Retailer 8
-
HK$4,552 HKD
£457 GBP
View
B+
Retailer 9
-
HK$6,065 HKD
$773 USD
View
B
Retailer 10
-
HK$8,166 HKD
$1,041 USD
View
B
Retailer 11
-
HK$8,866 HKD
$1,130 USD
View
Most Expensive
B
MOH London
LG529245314 · Oct 29
HK$9,725 HKD
£976 GBP
View
11 more retailers have this diamond
Prices start from HK$2,181 HKDSave up to HK$7,544 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
1.50ct Cushion
HK$2,181 HKD