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Round|Lab Grown|IGI

2.85ct J VS1 Round Lab Grown Diamond

ID • J/VS1 • IGI LG490175157

Shape and cutting style on the report: Round brilliant

Certificate IGI LG490175157

Diamond specifications and retailer prices

From £1,226 GBP
As of November 5, 2026
Save £6,814 GBP (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £8,040 GBP at Cape Diamonds · As of November 3, 2026
View at Cape Diamonds

About this 2.85ct lab-grown round diamond

This 2.85ct 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 LG490175157 or 490175157. Listed at 12 retailers as of November 3, 2026, with prices from £1,226 to £8,040, a £6,814 spread on the same certified stone. Cape Diamonds lists it at £8,040. 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

2.85
Carat
J
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG490175157
Dimensions9.08 × 9.04 × 5.54 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
9.08 mm9.04 mm2.85 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG490175157
Side View
Table 59.0%Crown 35.8°Girdle: MED-STKPavilion 40.2°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 5
Current: £8,040 GBP|Low: £1,226 GBP|High: £8,385 GBP|Avg: £4,183 GBP|-4.1%
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£1,226 GBP
Retailer 8£2,678 GBP
Retailer 11£2,914 GBP
Retailer 13£3,000 GBP
Retailer 9£3,107 GBP
Retailer 3£3,221 GBP
Retailer 4£3,600 GBP
Retailer 12£3,883 GBP
Retailer 7£4,202 GBP
Retailer 10£4,818 GBP
Retailer 2£6,637 GBP
Retailer 5£7,023 GBP
Cape Diamonds£8,040 GBP

20 data points across 13 retailers

12 retailers£1,226 GBP to £8,040 GBP

A
Cheapest Retailer
-
£1,226 GBP
A
Retailer 2
-
£2,678 GBP
View
B+
Retailer 3
-
£2,914 GBP
View
B+
Retailer 4
-
£3,000 GBP
View
Final sale: no returns
B+
Retailer 5
-
£3,107 GBP
View
Retailer 6
-
£3,107 GBP
View
Price last confirmed 25 days ago
B+
Retailer 7
-
£3,221 GBP
View
B+
Retailer 8
-
£3,883 GBP
View
B
Retailer 9
-
£4,202 GBP
View
B
Retailer 10
-
£4,818 GBP
View
B
Retailer 11
-
£6,637 GBP
View
Most Expensive
B
Cape Diamonds
cert_490175157 · Nov 3
£8,040 GBP
ZAR 174,816 ZAR
View
11 more retailers have this diamond
Prices start from £1,226 GBPSave up to £6,814 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
2.85ct Round
£1,226 GBP