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Cushion|Lab Grown|IGI

11.05ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG627413588

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG627413588

Diamond specifications and retailer prices

From HK$17,271 HKD
£1,733 GBP
As of November 1, 2026
Save HK$123,559 HKD (88%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$140,830 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 11.05ct lab-grown cushion diamond

This 11.05ct 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 LG627413588 or 627413588. Listed at 17 retailers as of October 31, 2026, with prices from HK$17,271 to HK$140,830, a HK$123,559 spread on the same certified stone. Brilliant Earth lists it at HK$140,830. 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

11.05
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.4°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627413588
Dimensions12.96 × 12.30 × 8.45 mm
L/W Ratio1.05
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
12.96 mm12.30 mm11.05 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627413588
Side View
Table 64.0%Crown 38.4°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 68.7%

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$140,830 HKD|Low: HK$17,265 HKD|High: HK$140,830 HKD|Avg: HK$39,342 HKD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 2, 2026
Retailer 9HK$17,271 HKD
Retailer 5HK$20,760 HKD
Retailer 15HK$21,505 HKD
Retailer 4HK$22,792 HKD
Retailer 7HK$25,334 HKD
Retailer 2HK$29,369 HKD
Retailer 14HK$30,041 HKD
Retailer 11HK$33,291 HKD
Retailer 3HK$33,540 HKD
Retailer 10HK$34,064 HKD
Retailer 8HK$39,844 HKD
Retailer 13HK$54,575 HKD
Retailer 12HK$57,525 HKD
Retailer 6HK$60,560 HKD
Brilliant EarthHK$140,830 HKD

42 data points across 15 retailers

17 retailersHK$17,271 HKD to HK$140,830 HKD

A
Cheapest Retailer
-
HK$17,271 HKD
£1,733 GBP
A
Retailer 2
-
HK$20,760 HKD
$2,646 USD
View
Final sale: no returns
Retailer 3
-
HK$21,505 HKD
$2,741 USD
View
Price last confirmed 22 days ago
A
Retailer 4
-
HK$22,792 HKD
$2,905 USD
View
A
Retailer 5
-
HK$25,334 HKD
$3,229 USD
View
A
Retailer 6
-
HK$29,369 HKD
£2,947 GBP
View
A
Retailer 7
-
HK$30,041 HKD
$3,829 USD
View
A
Retailer 8
-
HK$33,291 HKD
ZAR 68,549 ZAR
View
A
Retailer 9
-
HK$33,540 HKD
$4,275 USD
View
A
Retailer 10
-
HK$34,064 HKD
€4,135 EUR
View
B+
Retailer 11
-
HK$39,844 HKD
A$7,813 AUD
View
B+
Retailer 12
-
HK$40,773 HKD
£4,092 GBP
View
B+
Retailer 13
-
HK$54,575 HKD
$6,956 USD
View
B+
Retailer 14
-
HK$57,525 HKD
$7,332 USD
View
B
Retailer 15
-
HK$60,560 HKD
$7,719 USD
View
B
Retailer 16
-
HK$75,087 HKD
$9,570 USD
View
Most Expensive
B
Brilliant Earth
20601816A · Oct 31
HK$140,830 HKD
$17,950 USD
View
16 more retailers have this diamond
Prices start from HK$17,271 HKDSave up to HK$123,559 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
11.05ct Cushion
HK$17,271 HKD