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Cushion|Lab Grown|IGI

10.42ct G SI1 Cushion Lab Grown Diamond

ID • G/SI1 • IGI LG542212959

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG542212959

Diamond specifications and retailer prices

From HK$10,867 HKD
£1,091 GBP
As of November 1, 2026
Save HK$45,833 HKD (81%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$56,701 HKD at Adiamor · As of October 31, 2026
View at Adiamor

About this 10.42ct lab-grown cushion diamond

This 10.42ct lab-grown cushion sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG542212959 or 542212959. Listed at 8 retailers as of October 31, 2026, with prices from HK$10,867 to HK$56,701, a HK$45,833 spread on the same certified stone. Adiamor lists it at HK$56,701. 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

10.42
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG542212959
Dimensions12.83 × 12.70 × 8.42 mm
L/W Ratio1.01
Girdle conditionFaceted
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
12.83 mm12.70 mm10.42 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG542212959
Side View
Table 64.5%Crown 37.5°Girdle: THN-MEDPavilion 40°Culet: NoneDepth 66.3%

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: Nov 1
Current: HK$56,701 HKD|Low: HK$10,867 HKD|High: HK$107,841 HKD|Avg: HK$39,527 HKD
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 6HK$10,867 HKD
Retailer 8HK$13,534 HKD
Retailer 10HK$14,361 HKD
Retailer 9HK$16,350 HKD
Retailer 2HK$17,172 HKD
Retailer 5HK$19,246 HKD
Retailer 7HK$19,557 HKD
Retailer 4HK$45,152 HKD
AdiamorHK$56,701 HKD
Retailer 3HK$80,418 HKD
Retailer 11HK$107,841 HKD

6 data points across 11 retailers

8 retailersHK$10,867 HKD to HK$56,701 HKD

A
Cheapest Retailer
-
HK$10,867 HKD
£1,091 GBP
A
Retailer 2
-
HK$13,534 HKD
$1,725 USD
View
A
Retailer 3
-
HK$14,361 HKD
View
A
Retailer 4
-
HK$16,350 HKD
$2,084 USD
View
A
Retailer 5
-
HK$17,172 HKD
£1,723 GBP
View
B+
Retailer 6
-
HK$19,246 HKD
$2,453 USD
View
A
Retailer 7
-
HK$19,557 HKD
€2,374 EUR
View
Most Expensive
B
Adiamor
D-82828847 · Oct 31
HK$56,701 HKD
$7,227 USD
View
7 more retailers have this diamond
Prices start from HK$10,867 HKDSave up to HK$45,833 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
10.42ct Cushion
HK$10,867 HKD