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Cushion|Lab Grown|IGI

11.53ct G VS1 Cushion Lab Grown Diamond

EX • G/VS1 • IGI LG603337552

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG603337552

Diamond specifications and retailer prices

From HK$21,647 HKD
$2,759 USD
As of November 1, 2026
Save HK$56,627 HKD (72%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$78,274 HKD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 11.53ct lab-grown cushion diamond

This 11.53ct 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 LG603337552 or 603337552. Listed at 16 retailers as of October 31, 2026, with prices from HK$21,647 to HK$78,274, a HK$56,627 spread on the same certified stone. Taylor and Hart lists it at HK$78,274. 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

11.53
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle28.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG603337552
Dimensions15.21 × 10.90 × 7.62 mm
L/W Ratio1.40
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
15.21 mm10.90 mm11.53 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG603337552
Side View
Table 62.0%Crown 36.2°Girdle: THK-ETKPavilion 28.8°Culet: NoneDepth 69.9%

Caratlytics Score

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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$30,029 HKD|Low: HK$21,647 HKD|High: HK$62,753 HKD|Avg: HK$33,762 HKD|-1.0%
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
November 2, 2026
Retailer 4HK$21,647 HKD
Retailer 2HK$22,432 HKD
Retailer 11HK$23,695 HKD
Retailer 3HK$26,324 HKD
Retailer 1HK$30,029 HKD
Retailer 10HK$30,631 HKD
Retailer 8HK$34,721 HKD
Retailer 13HK$34,954 HKD
Retailer 7HK$35,549 HKD
Retailer 6HK$41,555 HKD
Retailer 5HK$42,569 HKD
Retailer 12HK$59,881 HKD
Retailer 9HK$62,345 HKD

43 data points across 13 retailers

16 retailersHK$21,647 HKD to HK$78,274 HKD

A
Cheapest Retailer
-
HK$21,647 HKD
$2,759 USD
Final sale: no returns
Retailer 2
-
HK$22,432 HKD
$2,859 USD
View
Price last confirmed 20 days ago
A
Retailer 3
-
HK$23,695 HKD
$3,020 USD
View
A
Retailer 4
-
HK$26,324 HKD
$3,355 USD
View
A
Retailer 5
-
HK$30,029 HKD
£3,014 GBP
View
A
Retailer 6
-
HK$30,631 HKD
$3,904 USD
View
A
Retailer 7
-
HK$34,721 HKD
ZAR 71,490 ZAR
View
A
Retailer 8
-
HK$34,954 HKD
$4,455 USD
View
A
Retailer 9
-
HK$35,549 HKD
€4,315 EUR
View
B+
Retailer 10
-
HK$41,555 HKD
A$8,148 AUD
View
B+
Retailer 11
-
HK$42,569 HKD
£4,272 GBP
View
Retailer 12
-
HK$52,152 HKD
$6,647 USD
View
Price last confirmed 54 days ago
B
Retailer 13
-
HK$59,881 HKD
$7,632 USD
View
B
Retailer 14
-
HK$62,345 HKD
$7,946 USD
View
B
Retailer 15
-
HK$62,984 HKD
$8,027 USD
View
Most Expensive
B
Taylor and Hart
RWKLTPS · Oct 31
HK$78,274 HKD
$9,976 USD
View
15 more retailers have this diamond
Prices start from HK$21,647 HKDSave up to HK$56,627 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
11.53ct Cushion
HK$21,647 HKD