Round|Natural|IGI

1.55ct J IF Round Natural Diamond

EX • J/IF • IGI 613374880

Shape and cutting style on the report: Round brilliant

Certificate IGI 613374880

Diamond specifications and retailer prices

From £3,078 GBP
₹392,750 INR
As of October 31, 2026
Save £3,508 GBP (53%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £6,586 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 613374880. Listed at 17 retailers as of October 30, 2026, with prices from £3,078 to £6,586, a £3,508 spread on the same certified stone. NZ Jewellers lists it at £6,586. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 613374880
Dimensions7.33 × 7.38 × 4.62 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.33 mm7.38 mm1.55 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 613374880
Side View
Table 57.0%Crown 35.6°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.7%

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 31
Current: £6,586 GBP|Low: £3,077 GBP|High: £6,586 GBP|Avg: £4,323 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
Retailer 15
Retailer 16
November 1, 2026
Retailer 12£3,078 GBP
Retailer 7£3,434 GBP
Retailer 8£3,635 GBP
Retailer 14£3,694 GBP
Retailer 2£3,893 GBP
Retailer 4£3,938 GBP
Retailer 5£3,938 GBP
Retailer 16£3,938 GBP
Retailer 10£3,981 GBP
Retailer 6£4,052 GBP
Retailer 3£4,327 GBP
Retailer 13£4,457 GBP
Retailer 15£4,544 GBP
Retailer 11£4,840 GBP
Retailer 9£6,272 GBP
NZ Jewellers£6,586 GBP

32 data points across 16 retailers

17 retailers£3,078 GBP to £6,586 GBP

A
Cheapest Retailer
-
£3,078 GBP
₹392,750 INR
A
Retailer 2
-
£3,434 GBP
$4,601 USD
View
A
Retailer 3
-
£3,635 GBP
$4,870 USD
View
Final sale: no returns
A
Retailer 4
-
£3,694 GBP
$4,950 USD
View
A
Retailer 5
-
£3,783 GBP
A$7,798 AUD
View
A
Retailer 6
-
£3,893 GBP
View
A
Retailer 7
-
£3,938 GBP
$5,276 USD
View
A
Retailer 8
-
£3,938 GBP
$5,276 USD
View
A
Retailer 9
-
£3,938 GBP
$5,276 USD
View
A
Retailer 10
-
£3,981 GBP
View
A
Retailer 11
-
£4,052 GBP
$5,429 USD
View
A
Retailer 12
-
£4,327 GBP
View
A
Retailer 13
-
£4,457 GBP
€5,687 EUR
View
B+
Retailer 14
-
£4,544 GBP
$6,088 USD
View
B+
Retailer 15
-
£4,840 GBP
ZAR 104,770 ZAR
View
B
Retailer 16
-
£6,272 GBP
View
Most Expensive
B
NZ Jewellers
9107ef48-eb31-420c-93d5-5688055abfb3 · Oct 30
£6,586 GBP
$8,824 USD
View
16 more retailers have this diamond
Prices start from £3,078 GBPSave up to £3,508 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
£3,078 GBP