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Cushion|Lab Grown|IGI

3.11ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG737521181

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG737521181

Diamond specifications and retailer prices

From HK$7,257 HKD
$925 USD
As of October 31, 2026
Save HK$65,237 HKD (90%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$72,494 HKD at Brilliant Earth · As of October 25, 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 LG737521181 or 737521181. Listed at 9 retailers as of October 25, 2026, with prices from HK$7,257 to HK$72,494, a HK$65,237 spread on the same certified stone. Brilliant Earth lists it at HK$72,494. 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 angle34.8°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG737521181
Dimensions8.69 × 7.93 × 5.38 mm
L/W Ratio1.10
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
8.69 mm7.93 mm3.11 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG737521181
Side View
Table 65.0%Crown 34.8°Girdle: MED-THKPavilion 38.9°Culet: NoneDepth 67.8%

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$72,494 HKD|Low: HK$7,257 HKD|High: HK$79,163 HKD|Avg: HK$24,291 HKD|-8.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 5HK$7,257 HKD
Retailer 9HK$8,735 HKD
Retailer 10HK$8,795 HKD
Retailer 2HK$10,429 HKD
Retailer 12HK$10,985 HKD
Retailer 11HK$12,781 HKD
Retailer 4HK$14,891 HKD
Retailer 8HK$16,641 HKD
Retailer 3HK$20,685 HKD
Retailer 7HK$47,702 HKD
Retailer 6HK$54,370 HKD
Brilliant EarthHK$72,494 HKD

18 data points across 12 retailers

9 retailersHK$7,257 HKD to HK$72,494 HKD

A
Cheapest Retailer
-
HK$7,257 HKD
$925 USD
Retailer 2
-
HK$8,735 HKD
$1,113 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
HK$8,795 HKD
$1,121 USD
View
A
Retailer 4
-
HK$10,429 HKD
€1,266 EUR
View
Retailer 5
-
HK$12,781 HKD
$1,629 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
HK$16,641 HKD
$2,121 USD
View
B
Retailer 7
-
HK$47,702 HKD
$6,080 USD
View
B
Retailer 8
-
HK$54,370 HKD
$6,930 USD
View
Most Expensive
B
Brilliant Earth
20596410A · Oct 25
HK$72,494 HKD
$9,240 USD
View
8 more retailers have this diamond
Prices start from HK$7,257 HKDSave up to HK$65,237 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$7,257 HKD