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Round|Natural|GIA

1.50ct K SI2 Round Natural Diamond

VG • K/SI2 • GIA 2554742949

Certificate GIA 2554742949

Diamond specifications and retailer prices

From £1,863 GBP
As of November 6, 2026
Save £2,504 GBP (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £4,367 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 2554742949. Listed at 16 retailers as of November 5, 2026, with prices from £1,863 to £4,367, a £2,504 spread on the same certified stone. NZ Jewellers lists it at £4,367. 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
K
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceMedium
Crown angle38°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2554742949
Dimensions7.08 × 7.16 × 4.60 mm
L/W Ratio1.01
Star length50%
Culet sizeNone
Key to symbols
Feather, Pinpoint, Natural
Top View
7.08 mm7.16 mm1.50 ctK / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2554742949
Side View
Table 57.0%Crown 38°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 64.6%

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 6
Current: £4,367 GBP|Low: £1,845 GBP|High: £4,410 GBP|Avg: £2,793 GBP|-1.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 14£1,863 GBP
Retailer 8£2,181 GBP
Retailer 7£2,247 GBP
Retailer 15£2,251 GBP
Retailer 10£2,336 GBP
Retailer 12£2,413 GBP
Retailer 16£2,507 GBP
Retailer 5£2,531 GBP
Retailer 6£2,592 GBP
Retailer 4£2,603 GBP
Retailer 3£2,892 GBP
Retailer 9£2,910 GBP
Retailer 11£2,915 GBP
Retailer 2£3,309 GBP
Retailer 13£4,181 GBP
NZ Jewellers£4,367 GBP

36 data points across 16 retailers

16 retailers£1,863 GBP to £4,367 GBP

A
Cheapest Retailer
-
£1,863 GBP
Retailer 2
-
£2,181 GBP
View
Price last confirmed 24 days ago
Retailer 3
-
£2,247 GBP
View
Price last confirmed 22 days ago
B+
Retailer 4
-
£2,251 GBP
View
B+
Retailer 5
-
£2,336 GBP
View
B+
Retailer 6
-
£2,413 GBP
View
B+
Retailer 7
-
£2,507 GBP
View
Retailer 8
-
£2,531 GBP
View
Price last confirmed 25 days ago
Retailer 9
-
£2,592 GBP
View
Price last confirmed 24 days ago
B+
Retailer 10
-
£2,603 GBP
View
B+
Retailer 11
-
£2,892 GBP
View
B+
Retailer 12
-
£2,910 GBP
View
B+
Retailer 13
-
£2,915 GBP
View
B+
Retailer 14
-
£3,309 GBP
View
B
Retailer 15
-
£4,181 GBP
View
Most Expensive
B
NZ Jewellers
de90cd4c-683e-4be6-aa48-3892db556a54 · Nov 5
£4,367 GBP
$5,878 USD
View
15 more retailers have this diamond
Prices start from £1,863 GBPSave up to £2,504 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
£1,863 GBP