Round|Natural|GIA

1.55ct I IF Round Natural Diamond

EX • I/IF • GIA 5503816886

Certificate GIA 5503816886

Diamond specifications and retailer prices

From £6,659 GBP
As of November 4, 2026
Save £3,369 GBP (34%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £10,731 GBP at NZ Jewellers · As of September 28, 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 I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 5503816886. Listed at 10 retailers as of November 4, 2026, with a 51% 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
I
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5503816886
Dimensions7.37 × 7.43 × 4.56 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.37 mm7.43 mm1.55 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5503816886
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.6%

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: £6,989 GBP|Low: £6,515 GBP|High: £10,176 GBP|Avg: £7,668 GBP|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7£6,659 GBP
Retailer 1£6,989 GBP
Retailer 5£7,106 GBP
Retailer 8£7,107 GBP
Retailer 2£7,616 GBP
Retailer 9£7,764 GBP
Retailer 6£7,818 GBP
Retailer 4£8,085 GBP
Retailer 3£10,028 GBP

22 data points across 9 retailers

10 retailers£6,659 GBP to £10,028 GBP

A
Cheapest Retailer
-
£6,659 GBP
A
Retailer 2
-
£6,989 GBP
View
B+
Retailer 3
-
£7,106 GBP
View
Final sale: no returns
B+
Retailer 4
-
£7,616 GBP
View
Retailer 5
-
£7,699 GBP
View
Price last confirmed 29 days ago
B+
Retailer 6
-
£7,764 GBP
View
B+
Retailer 7
-
£8,085 GBP
View
Retailer 8
-
£8,883 GBP
View
Price last confirmed 38 days ago
B+
Retailer 9
-
£10,028 GBP
View
Most Expensive
NZ Jewellers
70b17b97-a1dc-4d1f-8f45-1c989d1e09be · Sep 28
£10,731 GBP
$14,443 USD
View
Price last confirmed 38 days ago
9 more retailers have this diamond
Prices start from £6,659 GBPSave up to £3,369 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
£6,659 GBP