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Cushion|Lab Grown|IGI

3.09ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG582360738

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG582360738

Diamond specifications and retailer prices

From HK$3,931 HKD
$501 USD
As of November 1, 2026
Save HK$34,044 HKD (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$37,975 HKD at Brilliant Earth · As of November 2, 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG582360738 or 582360738. Listed at 12 retailers as of November 1, 2026, with prices from HK$3,931 to HK$37,975, a HK$34,044 spread on the same certified stone. Brilliant Earth lists it at HK$37,975. 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
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG582360738
Dimensions8.38 × 8.34 × 5.31 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.38 mm8.34 mm3.09 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG582360738
Side View
Table 61.0%Crown 34.8°Girdle: MED-THKPavilion 35.5°Culet: NoneDepth 63.7%

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$37,975 HKD|Low: HK$3,931 HKD|High: HK$39,152 HKD|Avg: HK$10,381 HKD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 4HK$3,931 HKD
Retailer 6HK$4,849 HKD
Retailer 11HK$6,591 HKD
Retailer 9HK$6,698 HKD
Retailer 3HK$6,716 HKD
Retailer 12HK$6,834 HKD
Retailer 7HK$7,146 HKD
Retailer 8HK$8,513 HKD
Retailer 5HK$9,491 HKD
Retailer 2HK$10,435 HKD
Retailer 10HK$16,172 HKD
Brilliant EarthHK$37,975 HKD

28 data points across 12 retailers

12 retailersHK$3,931 HKD to HK$37,975 HKD

A
Cheapest Retailer
-
HK$3,931 HKD
$501 USD
Final sale: no returns
A
Retailer 2
-
HK$4,849 HKD
£487 GBP
View
A
Retailer 3
-
HK$6,698 HKD
€813 EUR
View
B+
Retailer 4
-
HK$6,834 HKD
$871 USD
View
A
Retailer 5
-
HK$7,146 HKD
£717 GBP
View
A
Retailer 6
-
HK$8,513 HKD
$1,085 USD
View
A
Retailer 7
-
HK$9,491 HKD
ZAR 19,541 ZAR
View
A
Retailer 8
-
HK$10,435 HKD
$1,330 USD
View
B+
Retailer 9
-
HK$14,259 HKD
$1,817 USD
View
B+
Retailer 10
-
HK$15,569 HKD
$1,984 USD
View
Retailer 11
-
HK$16,172 HKD
£1,623 GBP
View
Price last confirmed 18 days ago
Most Expensive
B
Brilliant Earth
14086535A · Nov 2
HK$37,975 HKD
$4,840 USD
View
11 more retailers have this diamond
Prices start from HK$3,931 HKDSave up to HK$34,044 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$3,931 HKD