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Cushion|Lab Grown|IGI

1.23ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG763666423

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG763666423

Diamond specifications and retailer prices

From HK$5,390 HKD
As of November 4, 2026
Save HK$10,678 HKD (66%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$22,156 HKD at Taylor and Hart · As of November 4, 2026
View at Taylor and Hart

About this 1.23ct lab-grown cushion diamond

This 1.23ct lab-grown cushion sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG763666423 or 763666423. Listed at 14 retailers as of October 31, 2026, with a 198% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.4°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG763666423
Dimensions7.73 × 5.44 × 3.46 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizeLong Faceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.73 mm5.44 mm1.23 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG763666423
Side View
Table 55.0%Crown 38.4°Girdle: STK-THKPavilion 39.3°Culet: LONDepth 63.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: HK$25,915 HKD|Low: HK$5,390 HKD|High: HK$42,760 HKD|Avg: HK$14,783 HKD|-1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Taylor and Hart
November 5, 2026
Retailer 4HK$5,390 HKD
Retailer 10HK$5,971 HKD
Retailer 3HK$6,983 HKD
Retailer 5HK$7,893 HKD
Retailer 7HK$8,050 HKD
Retailer 12HK$8,105 HKD
Retailer 6HK$9,776 HKD
Retailer 8HK$11,329 HKD
Retailer 9HK$16,068 HKD
Retailer 11HK$19,128 HKD
Retailer 2HK$19,575 HKD
Taylor and HartHK$22,156 HKD
Retailer 1HK$25,915 HKD
Retailer 13HK$42,760 HKD

36 data points across 14 retailers

14 retailersHK$5,390 HKD to HK$16,068 HKD

B+
Cheapest Retailer
-
HK$5,390 HKD
Final sale: no returns
Retailer 2
-
HK$5,971 HKD
View
Price last confirmed 19 days ago
B
Retailer 3
-
HK$6,983 HKD
View
B
Retailer 4
-
HK$7,893 HKD
View
B
Retailer 5
-
HK$8,050 HKD
View
B
Retailer 6
-
HK$8,105 HKD
View
B
Retailer 7
-
HK$9,776 HKD
View
B
Retailer 8
-
HK$11,329 HKD
View
B
Retailer 9
-
HK$16,068 HKD
View
Retailer 10
-
HK$19,128 HKD
View
Price under review
Retailer 11
-
HK$19,575 HKD
View
Price under review
Most Expensive
Taylor and Hart
AF9W3YP · Nov 4
HK$22,156 HKD
$2,824 USD
View
Price under review
11 more retailers have this diamond
Prices start from HK$5,390 HKDSave up to HK$10,678 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.

B+
1.23ct Cushion
HK$5,390 HKD