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Cushion|Lab Grown|IGI

1.70ct H SI2 Cushion Lab Grown Diamond

ID • H/SI2 • IGI LG522253828

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG522253828

Diamond specifications and retailer prices

From HK$1,803 HKD
As of November 6, 2026
Save HK$7,494 HKD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$9,297 HKD at MOH London · As of November 5, 2026
View at MOH London

About this 1.7ct lab-grown cushion diamond

This 1.7ct lab-grown cushion sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG522253828 or 522253828. Listed at 10 retailers as of November 5, 2026, with prices from HK$1,803 to HK$9,297, a HK$7,494 spread on the same certified stone. MOH London lists it at HK$9,297. 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

1.70
Carat
H
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG522253828
Dimensions7.01 × 7.00 × 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
7.01 mm7.00 mm1.70 ctH / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG522253828
Side View
Table 61.0%Crown 35.3°Girdle: THN-STKPavilion 40.1°Culet: NoneDepth 65.6%

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 6
Current: HK$9,297 HKD|Low: HK$1,567 HKD|High: HK$12,618 HKD|Avg: HK$4,924 HKD|-0.2%
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 6, 2026
Retailer 7HK$1,803 HKD
Retailer 6HK$1,991 HKD
Retailer 12HK$2,202 HKD
Retailer 9HK$2,821 HKD
Retailer 2HK$3,237 HKD
Retailer 10HK$3,785 HKD
Retailer 8HK$4,060 HKD
Retailer 4HK$4,875 HKD
Retailer 11HK$6,466 HKD
Retailer 3HK$6,732 HKD
Retailer 5HK$7,132 HKD
MOH LondonHK$9,297 HKD

19 data points across 12 retailers

10 retailersHK$1,803 HKD to HK$9,297 HKD

A
Cheapest Retailer
-
HK$1,803 HKD
Final sale: no returns
Retailer 2
-
HK$1,991 HKD
View
Price last confirmed 12 days ago
A
Retailer 3
-
HK$2,202 HKD
View
B+
Retailer 4
-
HK$2,821 HKD
View
A
Retailer 5
-
HK$3,237 HKD
View
A
Retailer 6
-
HK$3,785 HKD
View
A
Retailer 7
-
HK$4,060 HKD
View
B+
Retailer 8
-
HK$6,466 HKD
View
B+
Retailer 9
-
HK$7,132 HKD
View
Most Expensive
B+
MOH London
LG522253828 · Nov 5
HK$9,297 HKD
£934 GBP
View
9 more retailers have this diamond
Prices start from HK$1,803 HKDSave up to HK$7,494 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
1.70ct Cushion
HK$1,803 HKD