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Round|Natural|GIA

1.50ct M I1 Round Natural Diamond

VG • M/I1 • GIA 6542456949

Certificate GIA 6542456949

Diamond specifications and retailer prices

From £1,642 GBP
As of November 5, 2026
Save £1,791 GBP (52%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £3,433 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 very-good cut grade and certified by GIA 6542456949. Listed at 6 retailers as of November 5, 2026, with prices from £1,642 to £3,433, a £1,791 spread on the same certified stone. NZ Jewellers lists it at £3,433. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
M
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceStrong
Crown angle38°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 6542456949
Dimensions7.17 × 7.13 × 4.57 mm
L/W Ratio1.01
Star length50%
Top View
7.17 mm7.13 mm1.50 ctM / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 6542456949
Side View
Table 57.0%Crown 38°GirdlePavilion 40.4°Culet: NoneDepth 63.9%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: £3,433 GBP|Low: £1,315 GBP|High: £3,433 GBP|Avg: £1,958 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 8£1,315 GBP
Retailer 3£1,642 GBP
Retailer 5£1,642 GBP
Retailer 6£1,718 GBP
Retailer 4£1,895 GBP
Retailer 7£1,967 GBP
Retailer 2£2,037 GBP
NZ Jewellers£3,433 GBP

25 data points across 8 retailers

6 retailers£1,642 GBP to £3,433 GBP

B+
Cheapest Retailer
-
£1,642 GBP
Retailer 2
-
£1,642 GBP
View
Price last confirmed 8 days ago
B+
Retailer 3
-
£1,718 GBP
View
B
Retailer 4
-
£1,895 GBP
View
B
Retailer 5
-
£2,037 GBP
View
Most Expensive
C
NZ Jewellers
2895edd0-e55b-444c-ae16-b34ee75b382b · Nov 5
£3,433 GBP
$4,620 USD
View
5 more retailers have this diamond
Prices start from £1,642 GBPSave up to £1,791 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+
1.50ct Round
£1,642 GBP