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Cushion|Lab Grown|IGI

3.03ct G VVS2 Cushion Lab Grown Diamond

ID • G/VVS2 • IGI LG508154751

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

Certificate IGI LG508154751

Diamond specifications and retailer prices

From £366 GBP
$491 USD
As of October 31, 2026
Save £2,544 GBP (87%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £4,038 GBP at Brilliant Earth · As of October 1, 2026
View at Brilliant Earth

About this 3.03ct lab-grown cushion diamond

This 3.03ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG508154751 or 508154751. Listed at 20 retailers as of October 29, 2026, with a 694% 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

3.03
Carat
G
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508154751
Dimensions8.65 × 8.25 × 5.63 mm
L/W Ratio1.05
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
8.65 mm8.25 mm3.03 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508154751
Side View
Table 63.5%Crown 34.1°Girdle: MED-THKPavilion 41.1°Culet: NoneDepth 68.2%

Caratlytics Score

How it works →
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: £4,038 GBP|Low: £366 GBP|High: £4,538 GBP|Avg: £1,599 GBP
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
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Retailer 17
Retailer 18
October 30, 2026
Retailer 3£366 GBP
Retailer 11£476 GBP
Retailer 9£510 GBP
Retailer 4£540 GBP
Retailer 13£541 GBP
Retailer 17£632 GBP
Retailer 18£742 GBP
Retailer 12£949 GBP
Retailer 5£1,308 GBP
Retailer 16£1,518 GBP
Retailer 2£1,523 GBP
Retailer 7£1,552 GBP
Retailer 8£1,673 GBP
Retailer 6£2,353 GBP
Retailer 14£2,581 GBP
Retailer 10£2,614 GBP
Retailer 15£2,911 GBP
Brilliant Earth£4,038 GBP

43 data points across 18 retailers

20 retailers£366 GBP to £2,911 GBP

A
Cheapest Retailer
-
£366 GBP
$491 USD
Final sale: no returns
A
Retailer 2
-
£476 GBP
View
Retailer 3
-
£510 GBP
$684 USD
View
Price last confirmed 15 days ago
B+
Retailer 4
-
£540 GBP
$723 USD
View
A
Retailer 5
-
£541 GBP
$725 USD
View
A
Retailer 6
-
£632 GBP
$847 USD
View
A
Retailer 7
-
£742 GBP
View
A
Retailer 8
-
£949 GBP
A$1,956 AUD
View
Retailer 9
-
£1,308 GBP
View
Price last confirmed 11 days ago
B
Retailer 10
-
£1,518 GBP
ZAR 32,859 ZAR
View
B+
Retailer 11
-
£1,523 GBP
$2,040 USD
View
B+
Retailer 12
-
£1,552 GBP
$2,080 USD
View
B+
Retailer 13
-
£1,673 GBP
$2,242 USD
View
Retailer 14
-
£1,716 GBP
$2,300 USD
View
Price last confirmed 13 days ago
B+
Retailer 15
-
£1,843 GBP
CA$3,430 CAD
View
B
Retailer 16
-
£2,353 GBP
SGD 4,260 SGD
View
B
Retailer 17
-
£2,581 GBP
View
B
Retailer 18
-
£2,614 GBP
$3,503 USD
View
B
Retailer 19
-
£2,911 GBP
$3,900 USD
View
Most Expensive
Brilliant Earth
15670110Y · Oct 1
£4,038 GBP
$5,410 USD
View
Price last confirmed 30 days ago
19 more retailers have this diamond
Prices start from £366 GBPSave up to £2,544 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
3.03ct Cushion
£366 GBP