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Round|Natural|GIA

1.50ct M I1 Round Natural Diamond

EX • M/I1 • GIA 5556410665

Certificate GIA 5556410665

Diamond specifications and retailer prices

From £1,055 GBP
As of November 6, 2026
Save £2,415 GBP (70%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £3,471 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct 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 5556410665. Listed at 9 retailers as of November 5, 2026, with prices from £1,055 to £3,471, a £2,415 spread on the same certified stone. NZ Jewellers lists it at £3,471. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
M
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5556410665
Dimensions7.29 × 7.32 × 4.57 mm
L/W Ratio1.00
Top View
7.29 mm7.32 mm1.50 ctM / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5556410665
Side View
Table 58.0%CrownGirdlePavilionCuletDepth 62.5%

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 6
Current: £3,471 GBP|Low: £1,055 GBP|High: £3,577 GBP|Avg: £1,842 GBP|+1.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 6£1,055 GBP
Retailer 4£1,296 GBP
Retailer 3£1,423 GBP
Retailer 9£1,425 GBP
Retailer 8£1,467 GBP
Retailer 5£1,489 GBP
Retailer 7£1,642 GBP
Retailer 2£1,930 GBP
Retailer 10£2,162 GBP
NZ Jewellers£3,471 GBP

33 data points across 10 retailers

9 retailers£1,055 GBP to £3,471 GBP

A
Cheapest Retailer
-
£1,055 GBP
B+
Retailer 2
-
£1,296 GBP
View
B+
Retailer 3
-
£1,423 GBP
View
B+
Retailer 4
-
£1,425 GBP
View
Retailer 5
-
£1,467 GBP
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£1,489 GBP
View
B+
Retailer 7
-
£1,642 GBP
View
B+
Retailer 8
-
£1,930 GBP
View
Most Expensive
C
NZ Jewellers
cfa14cb6-4818-4ba6-aec7-8ac90d195f06 · Nov 5
£3,471 GBP
$4,671 USD
View
8 more retailers have this diamond
Prices start from £1,055 GBPSave up to £2,415 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
1.50ct Round
£1,055 GBP