Round|Natural|GIA

1.50ct M SI2 Round Natural Diamond

VG • M/SI2 • GIA 2476331928

Certificate GIA 2476331928

Diamond specifications and retailer prices

From £1,217 GBP
As of November 4, 2026
Save £2,198 GBP (64%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £3,415 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 SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 2476331928. Listed at 12 retailers as of November 4, 2026, with prices from £1,217 to £3,415, a £2,198 spread on the same certified stone. NZ Jewellers lists it at £3,415. 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
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle38°
Pavilion angle39.8°
OriginNatural
Grading LabGIA
CertificateGIA 2476331928
Dimensions7.03 × 7.09 × 4.61 mm
L/W Ratio1.01
Star length55%
Lower girdle80%
Top View
7.03 mm7.09 mm1.50 ctM / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2476331928
Side View
Table 55.0%Crown 38°Girdle: ThickPavilion 39.8°Culet: NoneDepth 65.3%

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: £3,415 GBP|Low: £1,198 GBP|High: £3,415 GBP|Avg: £1,733 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 7£1,217 GBP
Retailer 6£1,246 GBP
Retailer 10£1,476 GBP
Retailer 9£1,633 GBP
Retailer 3£1,634 GBP
Retailer 4£1,655 GBP
Retailer 11£1,709 GBP
Retailer 12£1,736 GBP
Retailer 8£1,885 GBP
Retailer 5£2,023 GBP
Retailer 2£2,155 GBP
NZ Jewellers£3,415 GBP

45 data points across 12 retailers

12 retailers£1,217 GBP to £3,415 GBP

B+
Cheapest Retailer
-
£1,217 GBP
A
Retailer 2
-
£1,246 GBP
View
B+
Retailer 3
-
£1,476 GBP
View
B+
Retailer 4
-
£1,633 GBP
View
Retailer 5
-
£1,634 GBP
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£1,655 GBP
View
B+
Retailer 7
-
£1,709 GBP
View
B+
Retailer 8
-
£1,736 GBP
View
B+
Retailer 9
-
£1,885 GBP
View
B+
Retailer 10
-
£2,023 GBP
View
B+
Retailer 11
-
£2,155 GBP
View
Most Expensive
C
NZ Jewellers
c696f560-8b58-4ed8-b99f-47743e458e91 · Nov 5
£3,415 GBP
$4,596 USD
View
11 more retailers have this diamond
Prices start from £1,217 GBPSave up to £2,198 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
£1,217 GBP