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Round|Natural|GIA

1.55ct M I1 Round Natural Diamond

EX • M/I1 • GIA 2397703262

Certificate GIA 2397703262

Diamond specifications and retailer prices

From £1,809 GBP
As of November 1, 2026
Save £2,170 GBP (55%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £3,979 GBP at NZ Jewellers · As of November 5, 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 M colour (faint-tinted) and I1 clarity (included), with a top-tier cut grade and certified by GIA 2397703262. Listed at 8 retailers as of November 1, 2026, with prices from £1,809 to £3,979, a £2,170 spread on the same certified stone. NZ Jewellers lists it at £3,979. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
M
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2397703262
Dimensions7.44 × 7.41 × 4.58 mm
L/W Ratio1.00
Culet sizeNone
Top View
7.44 mm7.41 mm1.55 ctM / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2397703262
Side View
Table 56.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £3,979 GBP|Low: £1,809 GBP|High: £3,979 GBP|Avg: £2,287 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 8£1,809 GBP
Retailer 7£1,853 GBP
Retailer 4£2,069 GBP
Retailer 6£2,069 GBP
Retailer 3£2,149 GBP
Retailer 5£2,388 GBP
Retailer 2£2,490 GBP
NZ Jewellers£3,979 GBP

24 data points across 8 retailers

8 retailers£1,809 GBP to £3,979 GBP

B+
Cheapest Retailer
-
£1,809 GBP
B+
Retailer 2
-
£1,853 GBP
View
Retailer 3
-
£2,069 GBP
View
Price last confirmed 8 days ago
B+
Retailer 4
-
£2,069 GBP
View
B+
Retailer 5
-
£2,149 GBP
View
B
Retailer 6
-
£2,388 GBP
View
B
Retailer 7
-
£2,490 GBP
View
Most Expensive
C
NZ Jewellers
9fa7bc7a-6589-4118-b489-3c4f89fab818 · Nov 5
£3,979 GBP
$5,356 USD
View
7 more retailers have this diamond
Prices start from £1,809 GBPSave up to £2,170 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.

B+
1.55ct Round
£1,809 GBP