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Round|Natural|IGI

1.55ct J VVS1 Round Natural Diamond

EX • J/VVS1 • IGI 451086700

Shape and cutting style on the report: Round brilliant

Certificate IGI 451086700

Diamond specifications and retailer prices

From £3,273 GBP
As of November 4, 2026
Save £3,004 GBP (48%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £6,277 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.55ct natural round diamond

This 1.55ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI 451086700. Listed at 13 retailers as of November 4, 2026, with prices from £3,273 to £6,277, a £3,004 spread on the same certified stone. NZ Jewellers lists it at £6,277. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
J
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.8°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 451086700
Dimensions7.38 × 7.45 × 4.60 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.38 mm7.45 mm1.55 ctJ / VVS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 451086700
Side View
Table 56.0%Crown 34.8°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.2%

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 4
Current: £6,277 GBP|Low: £3,176 GBP|High: £6,277 GBP|Avg: £4,166 GBP
NZ Jewellers
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
November 6, 2026
Retailer 13£3,273 GBP
Retailer 11£3,464 GBP
Retailer 4£3,529 GBP
Retailer 2£3,742 GBP
Retailer 3£3,753 GBP
Retailer 6£3,753 GBP
Retailer 12£3,753 GBP
Retailer 14£3,856 GBP
Retailer 8£4,142 GBP
Retailer 9£4,213 GBP
Retailer 5£4,330 GBP
Retailer 7£4,579 GBP
Retailer 10£5,961 GBP
NZ Jewellers£6,277 GBP

35 data points across 14 retailers

13 retailers£3,273 GBP to £6,277 GBP

A
Cheapest Retailer
-
£3,273 GBP
A
Retailer 2
-
£3,464 GBP
View
Final sale: no returns
A
Retailer 3
-
£3,529 GBP
View
A
Retailer 4
-
£3,742 GBP
View
A
Retailer 5
-
£3,753 GBP
View
A
Retailer 6
-
£3,753 GBP
View
A
Retailer 7
-
£3,866 GBP
View
A
Retailer 8
-
£4,142 GBP
View
A
Retailer 9
-
£4,213 GBP
View
B+
Retailer 10
-
£4,330 GBP
View
B+
Retailer 11
-
£4,579 GBP
View
B+
Retailer 12
-
£5,961 GBP
View
Most Expensive
B
NZ Jewellers
c1f8900b-87be-497f-b515-c869e32fce69 · Nov 5
£6,277 GBP
$8,448 USD
View
12 more retailers have this diamond
Prices start from £3,273 GBPSave up to £3,004 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
1.55ct Round
£3,273 GBP