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Cushion|Lab Grown|IGI

1.00ct D SI1 Cushion Lab Grown Diamond

VG • D/SI1 • IGI LG750578543

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG750578543

Diamond specifications and retailer prices

From HK$2,516 HKD
As of November 6, 2026
Save HK$4,919 HKD (66%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$7,435 HKD at MOH London · As of November 4, 2026
View at MOH London

About this 1ct lab-grown cushion diamond

This 1ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG750578543 or 750578543. Listed at 7 retailers as of November 4, 2026, with prices from HK$2,516 to HK$7,435, a HK$4,919 spread on the same certified stone. MOH London lists it at HK$7,435. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG750578543
Dimensions5.80 × 5.63 × 3.67 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizeNone
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
5.80 mm5.63 mm1.00 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG750578543
Side View
Table 60.0%Crown 37.6°Girdle: STK-THKPavilion 35.1°Culet: NoneDepth 65.2%

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: Nov 6
Current: HK$7,435 HKD|Low: HK$2,516 HKD|High: HK$7,545 HKD|Avg: HK$3,736 HKD|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7HK$2,516 HKD
Retailer 2HK$2,712 HKD
Retailer 3HK$2,790 HKD
Retailer 5HK$2,868 HKD
Retailer 6HK$3,025 HKD
Retailer 9HK$3,997 HKD
Retailer 4HK$4,075 HKD
Retailer 8HK$4,264 HKD
MOH LondonHK$7,435 HKD

15 data points across 9 retailers

7 retailersHK$2,516 HKD to HK$7,435 HKD

A
Cheapest Retailer
-
HK$2,516 HKD
A
Retailer 2
-
HK$2,712 HKD
View
A
Retailer 3
-
HK$2,790 HKD
View
A
Retailer 4
-
HK$2,868 HKD
View
B+
Retailer 5
-
HK$3,025 HKD
View
B+
Retailer 6
-
HK$4,075 HKD
View
Most Expensive
B
MOH London
LG750578543 · Nov 4
HK$7,435 HKD
£747 GBP
View
6 more retailers have this diamond
Prices start from HK$2,516 HKDSave up to HK$4,919 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
1.00ct Cushion
HK$2,516 HKD