CaratHunter
Plans
Round|Lab Grown|IGI

2.55ct J VS1 Round Lab Grown Diamond

ID • J/VS1 • IGI LG500150556

Shape and cutting style on the report: Round brilliant

Certificate IGI LG500150556

Diamond specifications and retailer prices

From £1,060 GBP
$1,420 USD
As of October 30, 2026
Save £6,193 GBP (85%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £7,253 GBP at Cape Diamonds · As of October 29, 2026
View at Cape Diamonds

About this 2.55ct lab-grown round diamond

This 2.55ct 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 LG500150556 or 500150556. Listed at 13 retailers as of October 29, 2026, with prices from £1,060 to £7,253, a £6,193 spread on the same certified stone. Cape Diamonds lists it at £7,253. 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

2.55
Carat
J
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG500150556
Dimensions8.75 × 8.68 × 5.35 mm
L/W Ratio1.01
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
8.75 mm8.68 mm2.55 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG500150556
Side View
Table 58.0%Crown 35.7°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.4%

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 30
Current: £7,253 GBP|Low: £1,060 GBP|High: £7,588 GBP|Avg: £3,847 GBP|-4.4%
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
Retailer 14
Retailer 15
Retailer 16
October 30, 2026
Retailer 2£1,060 GBP
Retailer 12£2,424 GBP
Retailer 16£2,638 GBP
Retailer 15£2,715 GBP
Retailer 4£2,811 GBP
Retailer 13£2,811 GBP
Retailer 7£2,899 GBP
Retailer 5£2,929 GBP
Retailer 6£3,274 GBP
Retailer 3£3,514 GBP
Retailer 11£3,958 GBP
Retailer 14£4,365 GBP
Retailer 9£4,782 GBP
Retailer 8£6,319 GBP
Retailer 10£7,165 GBP
Cape Diamonds£7,253 GBP

38 data points across 16 retailers

13 retailers£1,060 GBP to £7,253 GBP

A
Cheapest Retailer
-
£1,060 GBP
$1,420 USD
B+
Retailer 2
-
£2,424 GBP
$3,248 USD
View
B+
Retailer 3
-
£2,638 GBP
$3,534 USD
View
B+
Retailer 4
-
£2,715 GBP
$3,638 USD
View
Final sale: no returns
B+
Retailer 5
-
£2,811 GBP
$3,767 USD
View
Retailer 6
-
£2,811 GBP
$3,767 USD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
£2,929 GBP
$3,925 USD
View
B+
Retailer 8
-
£3,514 GBP
$4,708 USD
View
B
Retailer 9
-
£3,958 GBP
$5,303 USD
View
B
Retailer 10
-
£4,365 GBP
$5,848 USD
View
B
Retailer 11
-
£4,782 GBP
View
B
Retailer 12
-
£7,165 GBP
View
Most Expensive
B
Cape Diamonds
cert_500150556 · Oct 29
£7,253 GBP
ZAR 156,999 ZAR
View
12 more retailers have this diamond
Prices start from £1,060 GBPSave up to £6,193 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
2.55ct Round
£1,060 GBP