CaratHunter
Plans
Cushion|Lab Grown|IGI

3.09ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG677521457

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG677521457

Diamond specifications and retailer prices

From HK$7,242 HKD
$923 USD
As of October 31, 2026
Save HK$64,782 HKD (90%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$72,024 HKD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 3.09ct lab-grown cushion diamond

This 3.09ct 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 LG677521457 or 677521457. Listed at 20 retailers as of October 26, 2026, with prices from HK$7,242 to HK$72,024, a HK$64,782 spread on the same certified stone. Brilliant Earth lists it at HK$72,024. 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

3.09
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677521457
Dimensions9.92 × 7.79 × 5.17 mm
L/W Ratio1.27
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
9.92 mm7.79 mm3.09 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677521457
Side View
Table 58.0%Crown 34.6°Girdle: MED-STKPavilion 36.6°Culet: NoneDepth 66.4%

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$72,024 HKD|Low: HK$7,242 HKD|High: HK$72,024 HKD|Avg: HK$21,584 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
November 1, 2026
Retailer 17HK$7,242 HKD
Retailer 18HK$9,101 HKD
Retailer 9HK$9,823 HKD
Retailer 11HK$10,645 HKD
Retailer 3HK$10,653 HKD
Retailer 5HK$12,514 HKD
Retailer 6HK$12,726 HKD
Retailer 13HK$12,758 HKD
Retailer 14HK$13,280 HKD
Retailer 16HK$18,711 HKD
Retailer 19HK$19,239 HKD
Retailer 4HK$21,334 HKD
Retailer 8HK$24,784 HKD
Retailer 2HK$28,099 HKD
Retailer 12HK$29,536 HKD
Retailer 10HK$30,939 HKD
Retailer 20HK$31,265 HKD
Retailer 15HK$31,582 HKD
Retailer 7HK$57,431 HKD
Brilliant EarthHK$72,024 HKD

33 data points across 20 retailers

20 retailersHK$7,242 HKD to HK$72,024 HKD

A
Cheapest Retailer
-
HK$7,242 HKD
$923 USD
Final sale: no returns
A
Retailer 2
-
HK$9,101 HKD
$1,160 USD
View
A
Retailer 3
-
HK$9,823 HKD
$1,252 USD
View
A
Retailer 4
-
HK$10,645 HKD
View
Retailer 5
-
HK$10,653 HKD
£1,069 GBP
View
Price last confirmed 16 days ago
A
Retailer 6
-
HK$12,514 HKD
$1,595 USD
View
A
Retailer 7
-
HK$12,726 HKD
$1,622 USD
View
A
Retailer 8
-
HK$12,758 HKD
£1,280 GBP
View
A
Retailer 9
-
HK$13,280 HKD
€1,612 EUR
View
B+
Retailer 10
-
HK$18,711 HKD
A$3,669 AUD
View
B+
Retailer 11
-
HK$19,239 HKD
ZAR 39,614 ZAR
View
B+
Retailer 12
-
HK$21,334 HKD
$2,719 USD
View
B+
Retailer 13
-
HK$24,784 HKD
$3,159 USD
View
B+
Retailer 14
-
HK$28,099 HKD
£2,820 GBP
View
B
Retailer 15
-
HK$29,536 HKD
$3,765 USD
View
B
Retailer 16
-
HK$30,939 HKD
SGD 5,329 SGD
View
Retailer 17
-
HK$31,265 HKD
$3,985 USD
View
Price last confirmed 12 days ago
B+
Retailer 18
-
HK$31,582 HKD
A$6,193 AUD
View
B
Retailer 19
-
HK$57,431 HKD
$7,320 USD
View
Most Expensive
B
Brilliant Earth
13509142Y · Oct 26
HK$72,024 HKD
$9,180 USD
View
19 more retailers have this diamond
Prices start from HK$7,242 HKDSave up to HK$64,782 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
3.09ct Cushion
HK$7,242 HKD