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1.55ct J IF Round Natural Diamond

EX • J/IF • IGI 671472020

Shape and cutting style on the report: Round brilliant

Certificate IGI 671472020

Diamond specifications and retailer prices

From £3,243 GBP
₹413,836 INR
As of October 31, 2026
Save £1,313 GBP (29%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £4,556 GBP at Yorxs · As of November 1, 2026
View at Yorxs

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 671472020. Listed at 3 retailers as of October 31, 2026, with prices from £3,243 to £4,556, a £1,313 spread on the same certified stone. Yorxs lists it at £4,556. 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 angle34.4°
Pavilion angle41.5°
OriginNatural
Grading LabIGI
CertificateIGI 671472020
Dimensions7.43 × 7.49 × 4.60 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.43 mm7.49 mm1.55 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 671472020
Side View
Table 58.0%Crown 34.4°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £3,243 GBP|Low: £3,235 GBP|High: £4,588 GBP|Avg: £3,835 GBP|-1.0%
Retailer 1
Retailer 2
Yorxs
November 1, 2026
Retailer 1£3,243 GBP
Retailer 2£3,723 GBP
Yorxs£4,556 GBP

46 data points across 3 retailers

3 retailers£3,243 GBP to £4,556 GBP

A
Cheapest Retailer
-
£3,243 GBP
₹413,836 INR
A
Retailer 2
-
£3,723 GBP
$4,988 USD
View
Most Expensive
B+
Yorxs
241345 · Nov 1
£4,556 GBP
€5,814 EUR
View
2 more retailers have this diamond
Prices start from £3,243 GBPSave up to £1,313 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
£3,243 GBP