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Cushion|Lab Grown|IGI

3.09ct E VS2 Cushion Lab Grown Diamond

ID • E/VS2 • IGI LG711522980

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG711522980

Diamond specifications and retailer prices

From HK$9,518 HKD
$1,213 USD
As of October 23, 2026
Save HK$32,774 HKD (77%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$42,292 HKD at Brilliant Earth · As of October 23, 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 E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG711522980 or 711522980. Listed at 12 retailers as of October 23, 2026, with prices from HK$9,518 to HK$42,292, a HK$32,774 spread on the same certified stone. Brilliant Earth lists it at HK$42,292. 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
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG711522980
Dimensions8.55 × 8.39 × 5.52 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.55 mm8.39 mm3.09 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG711522980
Side View
Table 61.0%Crown 35.7°Girdle: MED-STKPavilion 38.8°Culet: NoneDepth 65.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 23
Current: HK$42,292 HKD|Low: HK$4,017 HKD|High: HK$43,548 HKD|Avg: HK$12,731 HKD|-2.9%
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
October 22, 2026
Retailer 5HK$4,017 HKD
Retailer 9HK$4,828 HKD
Retailer 10HK$6,081 HKD
Retailer 12HK$6,340 HKD
Retailer 2HK$6,518 HKD
Retailer 7HK$6,863 HKD
Retailer 11HK$6,991 HKD
Retailer 3HK$9,518 HKD
Retailer 4HK$13,175 HKD
Retailer 8HK$14,828 HKD
Retailer 13HK$15,026 HKD
Retailer 6HK$18,596 HKD
Brilliant EarthHK$42,292 HKD

28 data points across 13 retailers

12 retailersHK$9,518 HKD to HK$42,292 HKD

Retailer 1
-
HK$4,017 HKD
$512 USD
Price last confirmed 17 days ago
Retailer 2
-
HK$4,828 HKD
£485 GBP
View
Price last confirmed 13 days ago
Retailer 3
-
HK$6,081 HKD
$775 USD
View
Price last confirmed 7 days ago
Retailer 4
-
HK$6,340 HKD
$808 USD
View
Price last confirmed 9 days ago
Retailer 5
-
HK$6,518 HKD
£654 GBP
View
Price last confirmed 8 days ago
Retailer 6
-
HK$6,991 HKD
$891 USD
View
Price last confirmed 8 days ago
A
Retailer 7
-
HK$9,518 HKD
$1,213 USD
View
Retailer 8
-
HK$13,175 HKD
$1,679 USD
View
Price last confirmed 11 days ago
Retailer 9
-
HK$14,828 HKD
£1,488 GBP
View
Price last confirmed 9 days ago
Retailer 10
-
HK$15,026 HKD
$1,915 USD
View
Price last confirmed 7 days ago
Retailer 11
-
HK$18,596 HKD
$2,370 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
14871648A · Oct 23
HK$42,292 HKD
$5,390 USD
View
11 more retailers have this diamond
Prices start from HK$9,518 HKDSave up to HK$32,774 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$9,518 HKD