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Cushion|Lab Grown|IGI

3.05ct D VVS2 Cushion Lab Grown Diamond

ID • D/VVS2 • IGI LG831671179

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG831671179

Diamond specifications and retailer prices

From £450 GBP
$603 USD
As of October 29, 2026
Save £5,401 GBP (92%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £5,851 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.05ct lab-grown cushion diamond

This 3.05ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG831671179 or 831671179. Listed at 15 retailers as of October 29, 2026, with prices from £450 to £5,851, a £5,401 spread on the same certified stone. Brilliant Earth lists it at £5,851. 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

3.05
Carat
D
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.8°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831671179
Dimensions9.95 × 7.83 × 5.28 mm
L/W Ratio1.27
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.95 mm7.83 mm3.05 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831671179
Side View
Table 66.0%Crown 30.8°Girdle: THN-MEDPavilion 42.1°Culet: NoneDepth 67.4%

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: £5,851 GBP|Low: £439 GBP|High: £6,030 GBP|Avg: £1,535 GBP|-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
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 3£450 GBP
Retailer 6£499 GBP
Retailer 11£575 GBP
Retailer 4£771 GBP
Retailer 8£777 GBP
Retailer 9£786 GBP
Retailer 2£1,054 GBP
Retailer 10£1,083 GBP
Retailer 13£1,195 GBP
Retailer 14£1,456 GBP
Retailer 7£1,606 GBP
Retailer 15£1,620 GBP
Retailer 5£1,698 GBP
Retailer 12£2,085 GBP
Brilliant Earth£5,851 GBP

35 data points across 15 retailers

15 retailers£450 GBP to £5,851 GBP

A
Cheapest Retailer
-
£450 GBP
$603 USD
Final sale: no returns
Retailer 2
-
£499 GBP
$668 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
£575 GBP
$770 USD
View
A
Retailer 4
-
£771 GBP
$1,033 USD
View
A
Retailer 5
-
£777 GBP
View
A
Retailer 6
-
£786 GBP
€1,003 EUR
View
A
Retailer 7
-
£1,054 GBP
A$2,172 AUD
View
A
Retailer 8
-
£1,083 GBP
ZAR 23,451 ZAR
View
A
Retailer 9
-
£1,195 GBP
$1,601 USD
View
A
Retailer 10
-
£1,456 GBP
View
A
Retailer 11
-
£1,606 GBP
$2,152 USD
View
B+
Retailer 12
-
£1,620 GBP
$2,170 USD
View
B+
Retailer 13
-
£1,698 GBP
$2,275 USD
View
B+
Retailer 14
-
£2,085 GBP
View
Most Expensive
B
Brilliant Earth
21336443A · Oct 30
£5,851 GBP
$7,840 USD
View
14 more retailers have this diamond
Prices start from £450 GBPSave up to £5,401 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
3.05ct Cushion
£450 GBP