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Cushion|Lab Grown|IGI

3.11ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG826687086

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG826687086

Diamond specifications and retailer prices

From HK$5,978 HKD
$762 USD
As of October 31, 2026
Save HK$20,327 HKD (77%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$31,579 HKD at Rare Carat · As of October 19, 2026
View at Rare Carat

About this 3.11ct lab-grown cushion diamond

This 3.11ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG826687086 or 826687086. Listed at 18 retailers as of October 25, 2026, with a 340% 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

3.11
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.4°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826687086
Dimensions10.57 × 7.28 × 4.68 mm
L/W Ratio1.45
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.57 mm7.28 mm3.11 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826687086
Side View
Table 65.0%Crown 39.4°Girdle: STK-THKPavilion 34.3°Culet: NoneDepth 64.3%

Caratlytics Score

How it works →
A+
Exceptional
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$31,579 HKD|Low: HK$5,978 HKD|High: HK$31,579 HKD|Avg: HK$15,096 HKD
Rare Carat
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 15HK$5,978 HKD
Retailer 8HK$6,300 HKD
Retailer 11HK$7,571 HKD
Retailer 16HK$7,945 HKD
Retailer 14HK$8,866 HKD
Retailer 9HK$9,564 HKD
Retailer 10HK$9,879 HKD
Retailer 13HK$13,988 HKD
Retailer 5HK$14,379 HKD
Retailer 6HK$16,217 HKD
Retailer 4HK$19,251 HKD
Retailer 2HK$21,287 HKD
Retailer 3HK$22,039 HKD
Retailer 12HK$25,371 HKD
Retailer 7HK$26,305 HKD
Rare CaratHK$31,579 HKD

17 data points across 16 retailers

18 retailersHK$5,978 HKD to HK$26,305 HKD

A+
Cheapest Retailer
-
HK$5,978 HKD
$762 USD
Final sale: no returns
Retailer 2
-
HK$6,300 HKD
$803 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
HK$7,571 HKD
$965 USD
View
A
Retailer 4
-
HK$7,945 HKD
£797 GBP
View
A
Retailer 5
-
HK$8,866 HKD
$1,130 USD
View
A
Retailer 6
-
HK$9,564 HKD
€1,161 EUR
View
A
Retailer 7
-
HK$9,879 HKD
£991 GBP
View
A
Retailer 8
-
HK$13,988 HKD
A$2,743 AUD
View
A
Retailer 9
-
HK$14,379 HKD
ZAR 29,608 ZAR
View
A
Retailer 10
-
HK$16,217 HKD
$2,067 USD
View
B+
Retailer 11
-
HK$19,251 HKD
£1,932 GBP
View
B+
Retailer 12
-
HK$21,287 HKD
$2,713 USD
View
B+
Retailer 13
-
HK$21,709 HKD
$2,767 USD
View
B+
Retailer 14
-
HK$22,039 HKD
$2,809 USD
View
B+
Retailer 15
-
HK$25,371 HKD
SGD 4,370 SGD
View
B
Retailer 16
-
HK$26,305 HKD
£2,640 GBP
View
Retailer 17
-
HK$31,078 HKD
A$6,094 AUD
View
Price last confirmed 23 days ago
Most Expensive
Rare Carat
CN216-28A · Oct 19
HK$31,579 HKD
$4,025 USD
View
Price last confirmed 12 days ago
17 more retailers have this diamond
Prices start from HK$5,978 HKDSave up to HK$20,327 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+
3.11ct Cushion
HK$5,978 HKD