Cushion|Lab Grown|IGI

3.11ct D VVS1 Cushion Lab Grown Diamond

EX • D/VVS1 • IGI LG735531364

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG735531364

Diamond specifications and retailer prices

From HK$8,042 HKD
$1,025 USD
As of October 31, 2026
Save HK$64,923 HKD (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$72,965 HKD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

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 LG735531364 or 735531364. Listed at 21 retailers as of October 28, 2026, with prices from HK$8,042 to HK$72,965, a HK$64,923 spread on the same certified stone. Brilliant Earth lists it at HK$72,965. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735531364
Dimensions8.50 × 8.50 × 5.58 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
8.50 mm8.50 mm3.11 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735531364
Side View
Table 61.0%Crown 38.5°Girdle: MED-STKPavilion 38.1°Culet: NoneDepth 65.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: HK$72,965 HKD|Low: HK$8,042 HKD|High: HK$72,965 HKD|Avg: HK$22,651 HKD
Brilliant Earth
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 31, 2026
Retailer 15HK$8,042 HKD
Retailer 18HK$9,572 HKD
Retailer 9HK$10,243 HKD
Retailer 6HK$10,490 HKD
Retailer 19HK$12,592 HKD
Retailer 14HK$12,840 HKD
Retailer 2HK$13,370 HKD
Retailer 3HK$16,845 HKD
Retailer 13HK$18,828 HKD
Retailer 16HK$19,359 HKD
Retailer 10HK$21,472 HKD
Retailer 11HK$23,077 HKD
Retailer 7HK$26,079 HKD
Retailer 4HK$27,293 HKD
Retailer 17HK$28,427 HKD
Retailer 12HK$28,982 HKD
Retailer 8HK$29,523 HKD
Retailer 5HK$31,712 HKD
Retailer 20HK$32,200 HKD
Brilliant EarthHK$72,965 HKD

36 data points across 20 retailers

21 retailersHK$8,042 HKD to HK$72,965 HKD

A
Cheapest Retailer
-
HK$8,042 HKD
$1,025 USD
Final sale: no returns
A
Retailer 2
-
HK$9,572 HKD
$1,220 USD
View
A
Retailer 3
-
HK$10,243 HKD
View
A
Retailer 4
-
HK$10,490 HKD
$1,337 USD
View
A
Retailer 5
-
HK$12,592 HKD
$1,605 USD
View
A
Retailer 6
-
HK$12,840 HKD
£1,289 GBP
View
Retailer 7
-
HK$13,039 HKD
£1,309 GBP
View
Price last confirmed 16 days ago
A
Retailer 8
-
HK$13,370 HKD
€1,623 EUR
View
B+
Retailer 9
-
HK$16,845 HKD
$2,147 USD
View
B+
Retailer 10
-
HK$18,828 HKD
A$3,692 AUD
View
B+
Retailer 11
-
HK$19,359 HKD
ZAR 39,862 ZAR
View
B+
Retailer 12
-
HK$21,472 HKD
$2,737 USD
View
B+
Retailer 13
-
HK$23,077 HKD
£2,316 GBP
View
B+
Retailer 14
-
HK$26,079 HKD
$3,324 USD
View
B
Retailer 15
-
HK$27,293 HKD
$3,479 USD
View
B+
Retailer 16
-
HK$28,427 HKD
£2,853 GBP
View
B
Retailer 17
-
HK$28,982 HKD
$3,694 USD
View
B
Retailer 18
-
HK$29,523 HKD
SGD 5,085 SGD
View
B
Retailer 19
-
HK$31,712 HKD
$4,042 USD
View
Retailer 20
-
HK$32,200 HKD
A$6,314 AUD
View
Price last confirmed 26 days ago
Most Expensive
B
Brilliant Earth
16122051A · Oct 28
HK$72,965 HKD
$9,300 USD
View
20 more retailers have this diamond
Prices start from HK$8,042 HKDSave up to HK$64,923 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$8,042 HKD