Cushion|Lab Grown|IGI

5.78ct D VVS2 Cushion Lab Grown Diamond

ID • D/VVS2 • IGI LG805636056

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG805636056

Diamond specifications and retailer prices

From HK$12,129 HKD
$1,546 USD
As of October 31, 2026
Save HK$56,991 HKD (82%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$81,605 HKD at Queensmith · As of October 9, 2026
View at Queensmith

About this 5.78ct lab-grown cushion diamond

This 5.78ct 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 LG805636056 or 805636056. Listed at 19 retailers as of October 31, 2026, with a 470% 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

5.78
Carat
D
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle31.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805636056
Dimensions11.57 × 9.32 × 6.27 mm
L/W Ratio1.24
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.57 mm9.32 mm5.78 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805636056
Side View
Table 60.0%Crown 33.5°Girdle: STK-THKPavilion 31.7°Culet: NoneDepth 67.3%

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$35,871 HKD|Low: HK$12,561 HKD|High: HK$123,648 HKD|Avg: HK$33,395 HKD|-1.2%
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 1, 2026
Retailer 2HK$12,561 HKD
Retailer 6HK$13,377 HKD
Retailer 3HK$13,926 HKD
Retailer 7HK$17,720 HKD
Retailer 12HK$17,967 HKD
Retailer 10HK$19,722 HKD
Retailer 8HK$25,458 HKD
Retailer 11HK$25,521 HKD
Retailer 5HK$33,854 HKD
Retailer 1HK$35,871 HKD
Retailer 4HK$37,102 HKD
Retailer 13HK$48,526 HKD
Retailer 9HK$69,121 HKD

33 data points across 13 retailers

19 retailersHK$12,129 HKD to HK$69,121 HKD

A
Cheapest Retailer
-
HK$12,129 HKD
$1,546 USD
Final sale: no returns
Retailer 2
-
HK$12,561 HKD
$1,601 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
HK$13,377 HKD
£1,343 GBP
View
A
Retailer 4
-
HK$13,926 HKD
$1,775 USD
View
A
Retailer 5
-
HK$15,158 HKD
$1,932 USD
View
A
Retailer 6
-
HK$17,720 HKD
£1,778 GBP
View
A
Retailer 7
-
HK$17,967 HKD
$2,290 USD
View
A
Retailer 8
-
HK$19,722 HKD
€2,394 EUR
View
A
Retailer 9
-
HK$25,458 HKD
A$4,992 AUD
View
A
Retailer 10
-
HK$25,521 HKD
ZAR 52,551 ZAR
View
B+
Retailer 11
-
HK$30,370 HKD
£3,048 GBP
View
B+
Retailer 12
-
HK$32,144 HKD
$4,097 USD
View
B+
Retailer 13
-
HK$33,854 HKD
$4,315 USD
View
B+
Retailer 14
-
HK$35,871 HKD
£3,600 GBP
View
B+
Retailer 15
-
HK$37,102 HKD
$4,729 USD
View
B
Retailer 16
-
HK$44,165 HKD
$5,629 USD
View
Retailer 17
-
HK$48,526 HKD
$6,185 USD
View
Price last confirmed 13 days ago
B
Retailer 18
-
HK$69,121 HKD
$8,810 USD
View
Most Expensive
Queensmith
LG805636056 · Oct 9
HK$81,605 HKD
£8,190 GBP
View
Price last confirmed 23 days ago
18 more retailers have this diamond
Prices start from HK$12,129 HKDSave up to HK$56,991 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
5.78ct Cushion
HK$12,129 HKD