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Cushion|Lab Grown|IGI

11.79ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG818631890

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG818631890

Diamond specifications and retailer prices

From HK$59,825 HKD
£6,004 GBP
As of November 2, 2026
Save HK$108,763 HKD (65%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$168,588 HKD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 11.79ct lab-grown cushion diamond

This 11.79ct lab-grown cushion sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818631890 or 818631890. Listed at 10 retailers as of October 31, 2026, with prices from HK$59,825 to HK$168,588, a HK$108,763 spread on the same certified stone. Taylor and Hart lists it at HK$168,588. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

11.79
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle46.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818631890
Dimensions16.91 × 10.88 × 6.80 mm
L/W Ratio1.55
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.91 mm10.88 mm11.79 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818631890
Side View
Table 63.0%Crown 36.6°Girdle: MED-THKPavilion 46.4°Culet: LargeDepth 62.5%

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 2
Current: HK$59,825 HKD|Low: HK$47,234 HKD|High: HK$168,588 HKD|Avg: HK$91,588 HKD|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Taylor and Hart
November 2, 2026
Retailer 1HK$59,825 HKD
Retailer 4HK$64,926 HKD
Retailer 8HK$66,723 HKD
Retailer 9HK$72,247 HKD
Retailer 6HK$72,788 HKD
Retailer 3HK$72,916 HKD
Retailer 5HK$88,708 HKD
Retailer 2HK$89,586 HKD
Retailer 7HK$147,173 HKD
Taylor and HartHK$168,588 HKD

39 data points across 10 retailers

10 retailersHK$59,825 HKD to HK$168,588 HKD

B+
Cheapest Retailer
-
HK$59,825 HKD
£6,004 GBP
B
Retailer 2
-
HK$64,926 HKD
$8,275 USD
View
B
Retailer 3
-
HK$66,723 HKD
£6,696 GBP
View
B
Retailer 4
-
HK$72,247 HKD
$9,208 USD
View
B
Retailer 5
-
HK$72,788 HKD
$9,277 USD
View
B
Retailer 6
-
HK$72,916 HKD
ZAR 150,133 ZAR
View
B
Retailer 7
-
HK$88,708 HKD
$11,306 USD
View
B
Retailer 8
-
HK$89,586 HKD
A$17,566 AUD
View
B
Retailer 9
-
HK$147,173 HKD
SGD 25,348 SGD
View
Most Expensive
B
Taylor and Hart
3Y014ZP · Oct 31
HK$168,588 HKD
$21,487 USD
View
9 more retailers have this diamond
Prices start from HK$59,825 HKDSave up to HK$108,763 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+
11.79ct Cushion
HK$59,825 HKD