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Cushion|Lab Grown|IGI

3.09ct E VVS2 Cushion Lab Grown Diamond

ID • E/VVS2 • IGI LG789630669

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG789630669

Diamond specifications and retailer prices

From £395 GBP
$525 USD
As of October 28, 2026
Save £2,893 GBP (88%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £5,283 GBP at Brilliant Earth · As of October 1, 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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG789630669 or 789630669. Listed at 15 retailers as of October 27, 2026, with a 732% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG789630669
Dimensions10.01 × 7.78 × 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
10.01 mm7.78 mm3.09 ctE / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG789630669
Side View
Table 61.0%Crown 34.2°Girdle: MED-STKPavilion 36.3°Culet: NoneDepth 66.3%

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: Oct 28
Current: £5,283 GBP|Low: £395 GBP|High: £5,283 GBP|Avg: £1,719 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
Retailer 18
October 29, 2026
Retailer 3£395 GBP
Retailer 4£586 GBP
Retailer 10£617 GBP
Retailer 8£634 GBP
Retailer 11£754 GBP
Retailer 14£833 GBP
Retailer 9£908 GBP
Retailer 13£1,030 GBP
Retailer 12£1,422 GBP
Retailer 7£1,534 GBP
Retailer 16£1,655 GBP
Retailer 17£1,676 GBP
Retailer 2£2,032 GBP
Retailer 6£2,239 GBP
Retailer 15£3,138 GBP
Retailer 18£3,288 GBP
Retailer 5£3,405 GBP
Brilliant Earth£5,283 GBP

22 data points across 18 retailers

15 retailers£395 GBP to £3,288 GBP

A
Cheapest Retailer
-
£395 GBP
$525 USD
Final sale: no returns
B+
Retailer 2
-
£586 GBP
$779 USD
View
A
Retailer 3
-
£754 GBP
View
A
Retailer 4
-
£833 GBP
$1,107 USD
View
A
Retailer 5
-
£908 GBP
ZAR 19,487 ZAR
View
Price last confirmed 64 days ago
A
Retailer 6
-
£1,030 GBP
A$2,106 AUD
View
Price last confirmed 9 days ago
A
Retailer 7
-
£1,422 GBP
View
A
Retailer 8
-
£1,565 GBP
$2,079 USD
View
Price last confirmed 18 days ago
B+
Retailer 9
-
£1,655 GBP
$2,199 USD
View
B+
Retailer 10
-
£1,676 GBP
$2,226 USD
View
B+
Retailer 11
-
£2,032 GBP
View
B+
Retailer 12
-
£2,239 GBP
$2,975 USD
View
Price last confirmed 24 days ago
B
Retailer 13
-
£3,138 GBP
$4,170 USD
View
B
Retailer 14
-
£3,288 GBP
View
Most Expensive
B
Brilliant Earth
21616571Y · Oct 1
£5,283 GBP
$7,020 USD
View
Price last confirmed 27 days ago
14 more retailers have this diamond
Prices start from £395 GBPSave up to £2,893 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
£395 GBP