Cushion|Lab Grown|IGI

3.11ct D VVS1 Cushion Lab Grown Diamond

VG • D/VVS1 • IGI LG821655389

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG821655389

Diamond specifications and retailer prices

From HK$11,714 HKD
$1,493 USD
As of October 30, 2026
Save HK$23,168 HKD (66%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$34,882 HKD at With Clarity · As of October 31, 2026
View at With Clarity

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 very-good cut grade and certified by IGI LG821655389 or 821655389. Listed at 9 retailers as of October 30, 2026, with prices from HK$11,714 to HK$34,882, a HK$23,168 spread on the same certified stone. With Clarity lists it at HK$34,882. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.11
Carat
D
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.3°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821655389
Dimensions9.36 × 7.65 × 5.24 mm
L/W Ratio1.22
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
9.36 mm7.65 mm3.11 ctD / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821655389
Side View
Table 63.0%Crown 38.3°Girdle: STK-VTKPavilion 37.5°Culet: NoneDepth 68.5%

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: Oct 30
Current: HK$15,323 HKD|Low: HK$11,714 HKD|High: HK$34,184 HKD|Avg: HK$23,047 HKD|+1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
With Clarity
October 31, 2026
Retailer 7HK$11,714 HKD
Retailer 2HK$13,980 HKD
Retailer 1HK$15,323 HKD
Retailer 5HK$15,393 HKD
Retailer 6HK$17,229 HKD
Retailer 4HK$29,735 HKD
Retailer 3HK$32,911 HKD
Retailer 8HK$33,712 HKD
With ClarityHK$34,184 HKD

32 data points across 9 retailers

9 retailersHK$11,714 HKD to HK$34,882 HKD

A
Cheapest Retailer
-
HK$11,714 HKD
$1,493 USD
A
Retailer 2
-
HK$13,980 HKD
£1,403 GBP
View
B+
Retailer 3
-
HK$15,323 HKD
€1,860 EUR
View
B+
Retailer 4
-
HK$15,393 HKD
$1,962 USD
View
B+
Retailer 5
-
HK$17,229 HKD
$2,196 USD
View
Retailer 6
-
HK$29,735 HKD
$3,790 USD
View
Price last confirmed 10 days ago
B
Retailer 7
-
HK$32,911 HKD
£3,303 GBP
View
B
Retailer 8
-
HK$33,712 HKD
$4,297 USD
View
Most Expensive
B
With Clarity
821655389 · Oct 31
HK$34,882 HKD
$4,446 USD
View
8 more retailers have this diamond
Prices start from HK$11,714 HKDSave up to HK$23,168 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$11,714 HKD