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Cushion|Lab Grown|IGI

2.90ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG480174757

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

Certificate IGI LG480174757

Diamond specifications and retailer prices

From £1,062 GBP
$1,423 USD
As of October 31, 2026
Save £6,774 GBP (86%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £7,836 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 2.9ct lab-grown cushion diamond

This 2.9ct lab-grown cushion sits in the two to three carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG480174757 or 480174757. Listed at 8 retailers as of October 29, 2026, with prices from £1,062 to £7,836, a £6,774 spread on the same certified stone. Do Amore Diamonds lists it at £7,836. 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

2.90
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.7°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG480174757
Dimensions8.28 × 8.17 × 5.40 mm
L/W Ratio1.01
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
8.28 mm8.17 mm2.90 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG480174757
Side View
Table 63.0%Crown 36.7°Girdle: MED-THKPavilion 39.6°Culet: NoneDepth 66.1%

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 31
Current: £7,836 GBP|Low: £911 GBP|High: £7,836 GBP|Avg: £3,513 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 5£1,062 GBP
Retailer 7£1,275 GBP
Retailer 2£1,731 GBP
Retailer 6£2,081 GBP
Retailer 8£3,037 GBP
Retailer 4£3,260 GBP
Retailer 3£4,186 GBP
Retailer 10£4,795 GBP
Retailer 9£5,173 GBP
Do Amore Diamonds£7,836 GBP

13 data points across 10 retailers

8 retailers£1,062 GBP to £7,836 GBP

A
Cheapest Retailer
-
£1,062 GBP
$1,423 USD
B+
Retailer 2
-
£1,731 GBP
$2,320 USD
View
B+
Retailer 3
-
£2,081 GBP
$2,788 USD
View
B
Retailer 4
-
£3,037 GBP
View
B
Retailer 5
-
£3,260 GBP
CA$6,066 CAD
View
B
Retailer 6
-
£4,186 GBP
View
B
Retailer 7
-
£5,173 GBP
$6,931 USD
View
Most Expensive
B
Do Amore Diamonds
27-891EB4166 · Oct 29
£7,836 GBP
$10,500 USD
View
7 more retailers have this diamond
Prices start from £1,062 GBPSave up to £6,774 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
2.90ct Cushion
£1,062 GBP