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Cushion|Lab Grown|IGI

1.00ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG823691753

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

Certificate IGI LG823691753

Diamond specifications and retailer prices

From HK$1,097 HKD
As of November 6, 2026
Save HK$9,115 HKD (89%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$10,212 HKD at MOH London · As of November 5, 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 top-tier cut grade and certified by IGI LG823691753 or 823691753. Listed at 9 retailers as of November 5, 2026, with prices from HK$1,097 to HK$10,212, a HK$9,115 spread on the same certified stone. MOH London lists it at HK$10,212. 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

1.00
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823691753
Dimensions5.80 × 5.74 × 3.64 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.80 mm5.74 mm1.00 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823691753
Side View
Table 71.0%Crown 35.8°Girdle: STK-THKPavilion 38.1°Culet: NoneDepth 63.4%

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$10,212 HKD|Low: HK$1,097 HKD|High: HK$10,362 HKD|Avg: HK$3,980 HKD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 8HK$1,097 HKD
Retailer 6HK$1,662 HKD
Retailer 2HK$2,014 HKD
Retailer 3HK$2,328 HKD
Retailer 5HK$2,406 HKD
Retailer 4HK$4,036 HKD
Retailer 7HK$4,381 HKD
Retailer 9HK$7,508 HKD
MOH LondonHK$10,212 HKD

41 data points across 9 retailers

9 retailersHK$1,097 HKD to HK$10,212 HKD

A
Cheapest Retailer
-
HK$1,097 HKD
Final sale: no returns
B+
Retailer 2
-
HK$1,662 HKD
View
A
Retailer 3
-
HK$2,014 HKD
View
A
Retailer 4
-
HK$2,328 HKD
View
A
Retailer 5
-
HK$2,406 HKD
View
B+
Retailer 6
-
HK$4,036 HKD
View
B
Retailer 7
-
HK$4,381 HKD
View
B
Retailer 8
-
HK$7,508 HKD
View
Most Expensive
B
MOH London
LG823691753 · Nov 5
HK$10,212 HKD
£1,026 GBP
View
8 more retailers have this diamond
Prices start from HK$1,097 HKDSave up to HK$9,115 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$1,097 HKD