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Cushion|Lab Grown|IGI

11.57ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG615348253

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG615348253

Diamond specifications and retailer prices

From HK$16,925 HKD
£1,699 GBP
As of November 2, 2026
Save HK$155,140 HKD (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$172,065 HKD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 11.57ct lab-grown cushion diamond

This 11.57ct lab-grown cushion sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG615348253 or 615348253. Listed at 22 retailers as of November 2, 2026, with prices from HK$16,925 to HK$172,065, a HK$155,140 spread on the same certified stone. Brilliant Earth lists it at HK$172,065. 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

11.57
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle32.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG615348253
Dimensions12.76 × 12.58 × 7.86 mm
L/W Ratio1.01
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
12.76 mm12.58 mm11.57 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG615348253
Side View
Table 62.0%Crown 34.7°Girdle: THK-VTKPavilion 32.8°Culet: NoneDepth 62.5%

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 2
Current: HK$172,065 HKD|Low: HK$16,925 HKD|High: HK$172,065 HKD|Avg: HK$44,198 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
Retailer 16
November 2, 2026
Retailer 10HK$16,925 HKD
Retailer 6HK$20,345 HKD
Retailer 7HK$21,075 HKD
Retailer 3HK$22,361 HKD
Retailer 8HK$25,108 HKD
Retailer 11HK$28,779 HKD
Retailer 2HK$29,768 HKD
Retailer 15HK$30,129 HKD
Retailer 9HK$31,825 HKD
Retailer 14HK$32,626 HKD
Retailer 12HK$39,045 HKD
Retailer 16HK$47,155 HKD
Retailer 5HK$56,272 HKD
Retailer 4HK$59,434 HKD
Retailer 13HK$69,171 HKD
Brilliant EarthHK$172,065 HKD

39 data points across 16 retailers

22 retailersHK$16,925 HKD to HK$172,065 HKD

A
Cheapest Retailer
-
HK$16,925 HKD
£1,699 GBP
A
Retailer 2
-
HK$20,345 HKD
$2,593 USD
View
Final sale: no returns
Retailer 3
-
HK$21,075 HKD
$2,686 USD
View
Price last confirmed 22 days ago
A
Retailer 4
-
HK$22,361 HKD
$2,850 USD
View
A
Retailer 5
-
HK$25,108 HKD
$3,200 USD
View
A
Retailer 6
-
HK$28,779 HKD
£2,888 GBP
View
A
Retailer 7
-
HK$29,768 HKD
$3,794 USD
View
A
Retailer 8
-
HK$30,129 HKD
$3,840 USD
View
A
Retailer 9
-
HK$31,825 HKD
€3,863 EUR
View
A
Retailer 10
-
HK$32,626 HKD
ZAR 67,176 ZAR
View
B+
Retailer 11
-
HK$39,045 HKD
A$7,656 AUD
View
B+
Retailer 12
-
HK$39,938 HKD
£4,008 GBP
View
Retailer 13
-
HK$47,155 HKD
$6,010 USD
View
Price last confirmed 12 days ago
B+
Retailer 14
-
HK$52,325 HKD
$6,669 USD
View
B+
Retailer 15
-
HK$56,272 HKD
$7,172 USD
View
B+
Retailer 16
-
HK$59,434 HKD
$7,575 USD
View
B
Retailer 17
-
HK$68,332 HKD
$8,709 USD
View
B
Retailer 18
-
HK$69,171 HKD
A$13,563 AUD
View
B
Retailer 19
-
HK$73,606 HKD
$9,381 USD
View
B
Retailer 20
-
HK$77,276 HKD
$9,849 USD
View
Retailer 21
-
HK$172,065 HKD
$21,930 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
16073821A · Nov 2
HK$172,065 HKD
$21,930 USD
View
21 more retailers have this diamond
Prices start from HK$16,925 HKDSave up to HK$155,140 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
11.57ct Cushion
HK$16,925 HKD