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Round|Natural|GIA

1.55ct J IF Round Natural Diamond

EX • J/IF • GIA 6551086362

Certificate GIA 6551086362

Diamond specifications and retailer prices

From £3,744 GBP
₹477,759 INR
As of October 31, 2026
Save £750 GBP (17%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £4,494 GBP at Blue Nile · As of October 31, 2026
View at Blue Nile

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 GIA 6551086362. Listed at 6 retailers as of October 31, 2026, with prices from £3,744 to £4,494, a £750 spread on the same certified stone. Blue Nile lists it at £4,494. 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
FluorescenceStrong
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6551086362
Dimensions7.32 × 7.38 × 4.61 mm
L/W Ratio1.01
Top View
7.32 mm7.38 mm1.55 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6551086362
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.7%

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: £4,494 GBP|Low: £3,734 GBP|High: £4,981 GBP|Avg: £4,095 GBP|-9.8%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 3£3,744 GBP
Retailer 5£3,809 GBP
Retailer 2£3,974 GBP
Retailer 6£4,012 GBP
Retailer 4£4,097 GBP
Blue Nile£4,494 GBP

46 data points across 6 retailers

6 retailers£3,744 GBP to £4,494 GBP

A
Cheapest Retailer
-
£3,744 GBP
₹477,759 INR
A
Retailer 2
-
£3,809 GBP
$5,104 USD
View
A
Retailer 3
-
£3,974 GBP
View
A
Retailer 4
-
£4,012 GBP
MYR 21,896 MYR
View
A
Retailer 5
-
£4,097 GBP
SGD 7,419 SGD
View
Most Expensive
A
Blue Nile
28915005 · Oct 31
£4,494 GBP
$6,021 USD
View
5 more retailers have this diamond
Prices start from £3,744 GBPSave up to £750 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
£3,744 GBP