Cushion|Lab Grown|IGI

3.09ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG528235321

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG528235321

Diamond specifications and retailer prices

From HK$5,029 HKD
$641 USD
As of November 1, 2026
Save HK$19,334 HKD (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$24,363 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 3.09ct lab-grown cushion diamond

This 3.09ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG528235321 or 528235321. Listed at 14 retailers as of October 29, 2026, with prices from HK$5,029 to HK$24,363, a HK$19,334 spread on the same certified stone. MOH London lists it at HK$24,363. 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
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.2°
Pavilion angle42.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG528235321
Dimensions8.65 × 8.34 × 5.65 mm
L/W Ratio1.04
Girdle conditionFaceted
Culet sizePointed
Top View
8.65 mm8.34 mm3.09 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG528235321
Side View
Table 63.5%Crown 33.2°Girdle: THK-VTKPavilion 42.3°Culet: NoneDepth 67.7%

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: Nov 1
Current: HK$24,363 HKD|Low: HK$4,755 HKD|High: HK$24,523 HKD|Avg: HK$12,546 HKD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 3HK$5,029 HKD
Retailer 10HK$5,579 HKD
Retailer 7HK$6,434 HKD
Retailer 13HK$7,752 HKD
Retailer 9HK$8,591 HKD
Retailer 6HK$8,717 HKD
Retailer 11HK$8,850 HKD
Retailer 2HK$12,118 HKD
Retailer 12HK$16,262 HKD
Retailer 5HK$18,082 HKD
Retailer 4HK$18,722 HKD
Retailer 8HK$21,655 HKD
MOH LondonHK$24,363 HKD

41 data points across 13 retailers

14 retailersHK$5,029 HKD to HK$24,363 HKD

A
Cheapest Retailer
-
HK$5,029 HKD
$641 USD
Final sale: no returns
Retailer 2
-
HK$5,579 HKD
$711 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
HK$6,434 HKD
$820 USD
View
A
Retailer 4
-
HK$7,752 HKD
$988 USD
View
A
Retailer 5
-
HK$8,591 HKD
$1,095 USD
View
A
Retailer 6
-
HK$8,717 HKD
£875 GBP
View
A
Retailer 7
-
HK$8,850 HKD
$1,128 USD
View
A
Retailer 8
-
HK$12,118 HKD
ZAR 24,951 ZAR
View
B
Retailer 9
-
HK$16,262 HKD
£1,632 GBP
View
B+
Retailer 10
-
HK$18,082 HKD
$2,305 USD
View
B
Retailer 11
-
HK$18,379 HKD
View
B
Retailer 12
-
HK$18,722 HKD
$2,386 USD
View
B
Retailer 13
-
HK$21,655 HKD
$2,760 USD
View
Most Expensive
B
MOH London
LG528235321 · Oct 29
HK$24,363 HKD
£2,445 GBP
View
13 more retailers have this diamond
Prices start from HK$5,029 HKDSave up to HK$19,334 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$5,029 HKD