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Round|Lab Grown|IGI

2.90ct J VS1 Round Lab Grown Diamond

EX • J/VS1 • IGI LG490174525

Shape and cutting style on the report: Round brilliant

Certificate IGI LG490174525

Diamond specifications and retailer prices

From £1,271 GBP
As of November 5, 2026
Save £6,902 GBP (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £8,173 GBP at Cape Diamonds · As of November 3, 2026
View at Cape Diamonds

About this 2.9ct lab-grown round diamond

This 2.9ct lab-grown round sits in the two to three carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG490174525 or 490174525. Listed at 12 retailers as of November 3, 2026, with prices from £1,271 to £8,173, a £6,902 spread on the same certified stone. Cape Diamonds lists it at £8,173. 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
J
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG490174525
Dimensions9.02 × 8.98 × 5.69 mm
L/W Ratio1.00
Girdle conditionFaceted
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
9.02 mm8.98 mm2.90 ctJ / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG490174525
Side View
Table 57.5%Crown 36.1°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.2%

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 5
Current: £8,173 GBP|Low: £1,271 GBP|High: £8,668 GBP|Avg: £4,321 GBP|-5.7%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 6£1,271 GBP
Retailer 8£2,723 GBP
Retailer 12£2,962 GBP
Retailer 11£3,049 GBP
Retailer 9£3,158 GBP
Retailer 3£3,273 GBP
Retailer 4£3,657 GBP
Retailer 13£3,947 GBP
Retailer 7£4,271 GBP
Retailer 10£4,897 GBP
Retailer 2£6,747 GBP
Retailer 5£7,146 GBP
Cape Diamonds£8,173 GBP

23 data points across 13 retailers

12 retailers£1,271 GBP to £8,173 GBP

A
Cheapest Retailer
-
£1,271 GBP
B+
Retailer 2
-
£2,723 GBP
View
B+
Retailer 3
-
£2,962 GBP
View
B+
Retailer 4
-
£3,049 GBP
View
Final sale: no returns
Retailer 5
-
£3,158 GBP
View
Price last confirmed 25 days ago
B+
Retailer 6
-
£3,158 GBP
View
B+
Retailer 7
-
£3,273 GBP
View
B+
Retailer 8
-
£3,947 GBP
View
B
Retailer 9
-
£4,271 GBP
View
B
Retailer 10
-
£4,897 GBP
View
B
Retailer 11
-
£6,747 GBP
View
Most Expensive
B
Cape Diamonds
cert_490174525 · Nov 3
£8,173 GBP
ZAR 177,705 ZAR
View
11 more retailers have this diamond
Prices start from £1,271 GBPSave up to £6,902 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 Round
£1,271 GBP