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Cushion|Lab Grown|IGI

2.09ct G VVS2 Cushion Lab Grown Diamond

ID • G/VVS2 • IGI LG578311020

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG578311020

Diamond specifications and retailer prices

From £355 GBP
$476 USD
As of October 31, 2026
Save £1,399 GBP (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,754 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.09ct lab-grown cushion diamond

This 2.09ct lab-grown cushion sits in the two to three carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG578311020 or 578311020. Listed at 15 retailers as of October 29, 2026, with prices from £355 to £1,754, a £1,399 spread on the same certified stone. Brilliant Earth lists it at £1,754. 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

2.09
Carat
G
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG578311020
Dimensions8.76 × 6.59 × 4.40 mm
L/W Ratio1.33
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
8.76 mm6.59 mm2.09 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG578311020
Side View
Table 57.0%Crown 33.8°Girdle: MED-STKPavilion 36.6°Culet: NoneDepth 66.8%

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 31
Current: £1,754 GBP|Low: £316 GBP|High: £1,806 GBP|Avg: £909 GBP|-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
Retailer 14
October 30, 2026
Retailer 4£355 GBP
Retailer 11£394 GBP
Retailer 14£566 GBP
Retailer 10£567 GBP
Retailer 3£590 GBP
Retailer 13£620 GBP
Retailer 2£649 GBP
Retailer 7£875 GBP
Retailer 8£950 GBP
Retailer 12£1,149 GBP
Retailer 6£1,290 GBP
Retailer 5£1,428 GBP
Retailer 9£1,454 GBP
Brilliant Earth£1,754 GBP

41 data points across 14 retailers

15 retailers£355 GBP to £1,754 GBP

A
Cheapest Retailer
-
£355 GBP
$476 USD
Final sale: no returns
A
Retailer 2
-
£394 GBP
$528 USD
View
A
Retailer 3
-
£566 GBP
$758 USD
View
A
Retailer 4
-
£567 GBP
$760 USD
View
A
Retailer 5
-
£590 GBP
$791 USD
View
A
Retailer 6
-
£620 GBP
$831 USD
View
A
Retailer 7
-
£649 GBP
View
B+
Retailer 8
-
£875 GBP
A$1,803 AUD
View
B+
Retailer 9
-
£950 GBP
ZAR 20,559 ZAR
View
B+
Retailer 10
-
£1,137 GBP
HK$11,900 HKD
View
B+
Retailer 11
-
£1,149 GBP
View
B
Retailer 12
-
£1,290 GBP
$1,729 USD
View
B
Retailer 13
-
£1,428 GBP
$1,913 USD
View
B
Retailer 14
-
£1,454 GBP
View
Most Expensive
B
Brilliant Earth
17969683A · Oct 29
£1,754 GBP
$2,350 USD
View
14 more retailers have this diamond
Prices start from £355 GBPSave up to £1,399 GBP

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
2.09ct Cushion
£355 GBP