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Cushion|Lab Grown|IGI

5.51ct D VVS2 Cushion Lab Grown Diamond

EX • D/VVS2 • IGI LG784680852

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG784680852

Diamond specifications and retailer prices

From HK$11,486 HKD
$1,464 USD
As of October 31, 2026
Save HK$30,340 HKD (73%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$75,228 HKD at Queensmith · As of October 9, 2026
View at Queensmith

About this 5.51ct lab-grown cushion diamond

This 5.51ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG784680852 or 784680852. Listed at 18 retailers as of October 30, 2026, with a 264% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

5.51
Carat
D
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784680852
Dimensions12.07 × 8.62 × 6.06 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.07 mm8.62 mm5.51 ctD / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784680852
Side View
Table 68.0%Crown 33.3°Girdle: STK-VTKPavilion 37.4°Culet: NoneDepth 70.3%

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: Oct 31
Current: HK$16,790 HKD|Low: HK$11,486 HKD|High: HK$47,702 HKD|Avg: HK$25,047 HKD|-6.5%
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
Retailer 14
Retailer 15
Retailer 16
October 31, 2026
Retailer 14HK$11,486 HKD
Retailer 2HK$11,910 HKD
Retailer 16HK$13,259 HKD
Retailer 3HK$14,475 HKD
Retailer 1HK$16,790 HKD
Retailer 12HK$17,041 HKD
Retailer 9HK$18,832 HKD
Retailer 13HK$24,117 HKD
Retailer 10HK$24,199 HKD
Retailer 5HK$28,816 HKD
Retailer 4HK$29,374 HKD
Retailer 6HK$34,937 HKD
Retailer 7HK$35,396 HKD
Retailer 11HK$38,471 HKD
Retailer 8HK$41,826 HKD
Retailer 15HK$47,270 HKD

41 data points across 16 retailers

18 retailersHK$11,486 HKD to HK$41,826 HKD

A
Cheapest Retailer
-
HK$11,486 HKD
$1,464 USD
Final sale: no returns
Retailer 2
-
HK$11,910 HKD
$1,518 USD
View
Price last confirmed 18 days ago
A
Retailer 3
-
HK$13,259 HKD
$1,690 USD
View
A
Retailer 4
-
HK$14,475 HKD
$1,845 USD
View
A
Retailer 5
-
HK$16,790 HKD
£1,685 GBP
View
A
Retailer 6
-
HK$17,041 HKD
$2,172 USD
View
A
Retailer 7
-
HK$18,832 HKD
€2,286 EUR
View
Retailer 8
-
HK$24,117 HKD
A$4,729 AUD
View
Price last confirmed 9 days ago
A
Retailer 9
-
HK$24,199 HKD
ZAR 49,829 ZAR
View
B+
Retailer 10
-
HK$28,816 HKD
£2,892 GBP
View
B+
Retailer 11
-
HK$29,374 HKD
$3,744 USD
View
B+
Retailer 12
-
HK$34,176 HKD
$4,356 USD
View
B+
Retailer 13
-
HK$34,937 HKD
$4,453 USD
View
B+
Retailer 14
-
HK$35,396 HKD
$4,512 USD
View
B+
Retailer 15
-
HK$38,471 HKD
£3,861 GBP
View
B+
Retailer 16
-
HK$41,826 HKD
$5,331 USD
View
Retailer 17
-
HK$47,270 HKD
$6,025 USD
View
Price last confirmed 12 days ago
Most Expensive
Queensmith
LG784680852 · Oct 9
HK$75,228 HKD
£7,550 GBP
View
Price last confirmed 21 days ago
17 more retailers have this diamond
Prices start from HK$11,486 HKDSave up to HK$30,340 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
5.51ct Cushion
HK$11,486 HKD