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Cushion|Lab Grown|IGI

3.00ct G VVS2 Cushion Lab Grown Diamond

ID • G/VVS2 • IGI LG830671900

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

Certificate IGI LG830671900

Diamond specifications and retailer prices

From £507 GBP
$680 USD
As of November 1, 2026
Save £2,735 GBP (84%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £3,242 GBP at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 3ct lab-grown cushion diamond

This 3ct 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 LG830671900 or 830671900. Listed at 8 retailers as of November 1, 2026, with prices from £507 to £3,242, a £2,735 spread on the same certified stone. Brilliant Earth lists it at £3,242. 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

3.00
Carat
G
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle31.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830671900
Dimensions8.36 × 8.07 × 4.94 mm
L/W Ratio1.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.36 mm8.07 mm3.00 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830671900
Side View
Table 63.0%Crown 36.2°Girdle: THK-VTKPavilion 31.1°Culet: NoneDepth 61.2%

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: Nov 1
Current: £3,242 GBP|Low: £507 GBP|High: £3,413 GBP|Avg: £1,217 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 4£507 GBP
Retailer 5£595 GBP
Retailer 2£615 GBP
Retailer 6£792 GBP
Retailer 7£1,239 GBP
Retailer 3£1,474 GBP
Retailer 8£1,787 GBP
Brilliant Earth£3,242 GBP

44 data points across 8 retailers

8 retailers£507 GBP to £3,242 GBP

B+
Cheapest Retailer
-
£507 GBP
$680 USD
A
Retailer 2
-
£595 GBP
€760 EUR
View
A
Retailer 3
-
£615 GBP
View
A
Retailer 4
-
£792 GBP
$1,063 USD
View
B+
Retailer 5
-
£1,239 GBP
$1,663 USD
View
B+
Retailer 6
-
£1,474 GBP
View
Retailer 7
-
£1,787 GBP
$2,398 USD
View
Price last confirmed 67 days ago
Most Expensive
B
Brilliant Earth
21215617A · Nov 2
£3,242 GBP
$4,350 USD
View
7 more retailers have this diamond
Prices start from £507 GBPSave up to £2,735 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
3.00ct Cushion
£507 GBP