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Cushion|Lab Grown|IGI

3.11ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG807639342

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG807639342

Diamond specifications and retailer prices

From HK$10,243 HKD
As of October 31, 2026
Save HK$21,507 HKD (68%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$32,484 HKD at Rare Carat · As of August 31, 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 LG807639342 or 807639342. Listed at 12 retailers as of October 31, 2026, with a 210% 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 angle38.1°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807639342
Dimensions9.84 × 7.66 × 5.16 mm
L/W Ratio1.28
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.84 mm7.66 mm3.11 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807639342
Side View
Table 60.0%Crown 38.1°Girdle: THN-MEDPavilion 34.7°Culet: NoneDepth 67.4%

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$28,278 HKD|Low: HK$10,243 HKD|High: HK$34,960 HKD|Avg: HK$20,285 HKD|-10.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 11HK$10,243 HKD
Retailer 10HK$10,490 HKD
Retailer 8HK$12,592 HKD
Retailer 4HK$12,840 HKD
Retailer 5HK$13,370 HKD
Retailer 7HK$16,845 HKD
Retailer 2HK$21,472 HKD
Retailer 1HK$28,278 HKD
Retailer 3HK$28,982 HKD
Retailer 9HK$31,712 HKD
Retailer 6HK$31,751 HKD

42 data points across 11 retailers

12 retailersHK$10,243 HKD to HK$31,751 HKD

A
Cheapest Retailer
-
HK$10,243 HKD
A
Retailer 2
-
HK$10,490 HKD
$1,337 USD
View
A
Retailer 3
-
HK$12,592 HKD
$1,605 USD
View
A
Retailer 4
-
HK$12,840 HKD
£1,289 GBP
View
A
Retailer 5
-
HK$13,370 HKD
€1,623 EUR
View
A
Retailer 6
-
HK$16,845 HKD
$2,147 USD
View
B+
Retailer 7
-
HK$21,472 HKD
$2,737 USD
View
B+
Retailer 8
-
HK$28,278 HKD
£2,838 GBP
View
B
Retailer 9
-
HK$28,982 HKD
$3,694 USD
View
B
Retailer 10
-
HK$31,712 HKD
$4,042 USD
View
B
Retailer 11
-
HK$31,751 HKD
A$6,226 AUD
View
Most Expensive
Rare Carat
7199-U · Aug 31
HK$32,484 HKD
$4,140 USD
View
Price last confirmed 62 days ago
11 more retailers have this diamond
Prices start from HK$10,243 HKDSave up to HK$21,507 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$10,243 HKD