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Cushion|Lab Grown|IGI

3.10ct D VVS1 Cushion Lab Grown Diamond

EX • D/VVS1 • IGI LG728578057

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG728578057

Diamond specifications and retailer prices

From HK$8,269 HKD
$1,054 USD
As of November 1, 2026
Save HK$49,397 HKD (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$74,456 HKD at Brilliant Earth · As of September 28, 2026
View at Brilliant Earth

About this 3.1ct lab-grown cushion diamond

This 3.1ct 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 LG728578057 or 728578057. Listed at 20 retailers as of November 1, 2026, with a 597% 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

3.10
Carat
D
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728578057
Dimensions7.88 × 7.88 × 5.26 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
7.88 mm7.88 mm3.10 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728578057
Side View
Table 60.0%Crown 34.6°Girdle: MED-STKPavilion 37.6°Culet: NoneDepth 66.8%

Caratlytics Score

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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: Nov 1
Current: HK$12,799 HKD|Low: HK$7,257 HKD|High: HK$57,666 HKD|Avg: HK$21,434 HKD|-7.0%
Retailer 1
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
November 2, 2026
Retailer 16HK$8,269 HKD
Retailer 18HK$9,533 HKD
Retailer 7HK$9,854 HKD
Retailer 9HK$10,745 HKD
Retailer 3HK$12,553 HKD
Retailer 1HK$12,799 HKD
Retailer 4HK$12,804 HKD
Retailer 13HK$13,321 HKD
Retailer 14HK$18,772 HKD
Retailer 15HK$19,299 HKD
Retailer 2HK$21,403 HKD
Retailer 10HK$22,957 HKD
Retailer 6HK$24,848 HKD
Retailer 12HK$28,188 HKD
Retailer 11HK$29,627 HKD
Retailer 17HK$29,657 HKD
Retailer 8HK$31,026 HKD
Retailer 19HK$32,031 HKD
Retailer 5HK$57,666 HKD

40 data points across 19 retailers

20 retailersHK$8,269 HKD to HK$57,666 HKD

A
Cheapest Retailer
-
HK$8,269 HKD
$1,054 USD
Final sale: no returns
A
Retailer 2
-
HK$9,533 HKD
$1,215 USD
View
A
Retailer 3
-
HK$9,854 HKD
$1,256 USD
View
A
Retailer 4
-
HK$10,745 HKD
View
A
Retailer 5
-
HK$12,553 HKD
$1,600 USD
View
A
Retailer 6
-
HK$12,799 HKD
£1,285 GBP
View
A
Retailer 7
-
HK$12,804 HKD
$1,632 USD
View
A
Retailer 8
-
HK$13,321 HKD
€1,617 EUR
View
B+
Retailer 9
-
HK$18,772 HKD
A$3,681 AUD
View
B+
Retailer 10
-
HK$19,299 HKD
ZAR 39,738 ZAR
View
B+
Retailer 11
-
HK$21,403 HKD
$2,728 USD
View
B+
Retailer 12
-
HK$22,957 HKD
£2,304 GBP
View
B+
Retailer 13
-
HK$24,848 HKD
$3,167 USD
View
B+
Retailer 14
-
HK$28,188 HKD
£2,829 GBP
View
B
Retailer 15
-
HK$29,627 HKD
$3,776 USD
View
Retailer 16
-
HK$29,657 HKD
$3,780 USD
View
Price last confirmed 11 days ago
B+
Retailer 17
-
HK$31,026 HKD
SGD 5,344 SGD
View
Retailer 18
-
HK$32,031 HKD
A$6,281 AUD
View
Price last confirmed 24 days ago
B
Retailer 19
-
HK$57,666 HKD
$7,350 USD
View
Most Expensive
Brilliant Earth
20870081Y · Sep 28
HK$74,456 HKD
$9,490 USD
View
Price last confirmed 34 days ago
19 more retailers have this diamond
Prices start from HK$8,269 HKDSave up to HK$49,397 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
3.10ct Cushion
HK$8,269 HKD