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Cushion|Lab Grown|IGI

3.09ct D VS2 Cushion Lab Grown Diamond

ID • D/VS2 • IGI LG793641635

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG793641635

Diamond specifications and retailer prices

From £559 GBP
$745 USD
As of October 29, 2026
Save £3,683 GBP (87%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £4,243 GBP at Brilliant Earth · As of October 29, 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG793641635 or 793641635. Listed at 9 retailers as of October 29, 2026, with prices from £559 to £4,243, a £3,683 spread on the same certified stone. Brilliant Earth lists it at £4,243. 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG793641635
Dimensions9.88 × 7.64 × 5.16 mm
L/W Ratio1.29
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.88 mm7.64 mm3.09 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG793641635
Side View
Table 61.0%Crown 37.7°Girdle: MED-THKPavilion 35.7°Culet: NoneDepth 67.5%

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 29
Current: £4,243 GBP|Low: £259 GBP|High: £4,280 GBP|Avg: £1,329 GBP|+10.8%
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 29, 2026
Retailer 5£259 GBP
Retailer 8£559 GBP
Retailer 12£603 GBP
Retailer 10£620 GBP
Retailer 3£644 GBP
Retailer 2£757 GBP
Retailer 14£761 GBP
Retailer 11£773 GBP
Retailer 4£1,457 GBP
Retailer 13£1,713 GBP
Retailer 6£1,832 GBP
Retailer 7£2,247 GBP
Retailer 9£3,357 GBP
Brilliant Earth£4,243 GBP

19 data points across 14 retailers

9 retailers£559 GBP to £4,243 GBP

A
Cheapest Retailer
-
£559 GBP
$745 USD
A
Retailer 2
-
£603 GBP
$803 USD
View
B+
Retailer 3
-
£620 GBP
$826 USD
View
A
Retailer 4
-
£757 GBP
€960 EUR
View
A
Retailer 5
-
£773 GBP
$1,029 USD
View
Retailer 6
-
£1,713 GBP
A$3,509 AUD
View
Price last confirmed 21 days ago
B
Retailer 7
-
£2,247 GBP
View
B
Retailer 8
-
£3,357 GBP
$4,470 USD
View
Most Expensive
B
Brilliant Earth
21657691A · Oct 29
£4,243 GBP
$5,650 USD
View
8 more retailers have this diamond
Prices start from £559 GBPSave up to £3,683 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
3.09ct Cushion
£559 GBP