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Round|Natural|IGI

1.55ct J VVS1 Round Natural Diamond

EX • J/VVS1 • IGI 673409023

Shape and cutting style on the report: Round brilliant

Certificate IGI 673409023

Diamond specifications and retailer prices

From £3,397 GBP
As of October 30, 2026
Save £3,101 GBP (48%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £6,824 GBP at NZ Jewellers · As of October 30, 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 673409023. Listed at 17 retailers as of October 30, 2026, with a 91% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
FluorescenceNone
Crown angle36.6°
Pavilion angle40.5°
OriginNatural
Grading LabIGI
CertificateIGI 673409023
Dimensions7.35 × 7.30 × 4.60 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.35 mm7.30 mm1.55 ctJ / VVS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 673409023
Side View
Table 58.0%Crown 36.6°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.9%

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: £4,599 GBP|Low: £2,940 GBP|High: £6,575 GBP|Avg: £4,238 GBP|+11.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 6£2,960 GBP
Retailer 8£3,592 GBP
Retailer 9£3,765 GBP
Retailer 3£4,032 GBP
Retailer 2£4,141 GBP
Retailer 7£4,458 GBP
Retailer 1£4,599 GBP
Retailer 5£5,014 GBP
Retailer 4£6,498 GBP

32 data points across 9 retailers

17 retailers£3,397 GBP to £6,498 GBP

Retailer 1
-
£2,960 GBP
Price last confirmed 8 days ago
A
Retailer 2
-
£3,397 GBP
View
A
Retailer 3
-
£3,558 GBP
View
A
Retailer 4
-
£3,592 GBP
View
A
Retailer 5
-
£3,819 GBP
View
A
Retailer 6
-
£4,032 GBP
View
Retailer 7
-
£4,080 GBP
View
Price last confirmed 8 days ago
A
Retailer 8
-
£4,080 GBP
View
Retailer 9
-
£4,080 GBP
View
Price last confirmed 8 days ago
A
Retailer 10
-
£4,141 GBP
View
B+
Retailer 11
-
£4,193 GBP
View
B+
Retailer 12
-
£4,458 GBP
View
B+
Retailer 13
-
£4,599 GBP
View
B+
Retailer 14
-
£4,708 GBP
View
B+
Retailer 15
-
£5,014 GBP
View
B
Retailer 16
-
£6,498 GBP
View
Most Expensive
NZ Jewellers
da2a9693-bca7-497d-b307-946b2dcae002 · Oct 30
£6,824 GBP
$9,184 USD
View
Price last confirmed 7 days ago
16 more retailers have this diamond
Prices start from £3,397 GBPSave up to £3,101 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
£3,397 GBP