Round|Natural|GIA

1.50ct F SI1 Round Natural Diamond

GD • F/SI1 • GIA 6531546081

Certificate GIA 6531546081

Diamond specifications and retailer prices

From £2,809 GBP
HK$29,400 HKD
As of November 1, 2026
Save £3,716 GBP (57%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £6,524 GBP at NZ Jewellers · As of October 30, 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 F colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by GIA 6531546081. Listed at 21 retailers as of October 30, 2026, with prices from £2,809 to £6,524, a £3,716 spread on the same certified stone. NZ Jewellers lists it at £6,524. 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
F
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceMedium
Crown angle39.5°
Pavilion angle39°
OriginNatural
Grading LabGIA
CertificateGIA 6531546081
Dimensions7.06 × 7.00 × 4.45 mm
L/W Ratio1.01
Top View
7.06 mm7.00 mm1.50 ctF / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6531546081
Side View
Table 60.0%Crown 39.5°Girdle: THK-VTKPavilion 39°Culet: NoneDepth 63.6%

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 1
Current: £6,524 GBP|Low: £2,734 GBP|High: £6,524 GBP|Avg: £3,741 GBP|+3.2%
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 1, 2026
Retailer 18£2,809 GBP
Retailer 4£2,840 GBP
Retailer 16£2,905 GBP
Retailer 6£2,911 GBP
Retailer 19£2,959 GBP
Retailer 5£2,982 GBP
Retailer 9£3,132 GBP
Retailer 8£3,209 GBP
Retailer 7£3,393 GBP
Retailer 10£3,393 GBP
Retailer 12£3,393 GBP
Retailer 21£3,553 GBP
Retailer 22£3,553 GBP
Retailer 20£3,672 GBP
Retailer 14£3,809 GBP
Retailer 15£3,829 GBP
Retailer 11£3,915 GBP
Retailer 2£3,982 GBP
Retailer 3£4,134 GBP
Retailer 17£4,603 GBP
Retailer 13£5,965 GBP
NZ Jewellers£6,524 GBP

35 data points across 22 retailers

21 retailers£2,809 GBP to £6,524 GBP

A
Cheapest Retailer
-
£2,809 GBP
HK$29,400 HKD
A
Retailer 2
-
£2,840 GBP
$3,805 USD
View
A
Retailer 3
-
£2,905 GBP
$3,892 USD
View
A
Retailer 4
-
£2,911 GBP
$3,900 USD
View
B+
Retailer 5
-
£2,959 GBP
$3,965 USD
View
B+
Retailer 6
-
£2,982 GBP
$3,995 USD
View
B+
Retailer 7
-
£3,132 GBP
$4,196 USD
View
Final sale: no returns
B+
Retailer 8
-
£3,209 GBP
$4,300 USD
View
B+
Retailer 9
-
£3,393 GBP
$4,546 USD
View
B+
Retailer 10
-
£3,393 GBP
$4,546 USD
View
B+
Retailer 11
-
£3,393 GBP
$4,546 USD
View
A
Retailer 12
-
£3,553 GBP
$4,760 USD
View
B+
Retailer 13
-
£3,553 GBP
$4,760 USD
View
A
Retailer 14
-
£3,672 GBP
$4,920 USD
View
Retailer 15
-
£3,809 GBP
A$7,852 AUD
View
Price last confirmed 23 days ago
B+
Retailer 16
-
£3,915 GBP
$5,245 USD
View
B+
Retailer 17
-
£3,982 GBP
€5,082 EUR
View
Retailer 18
-
£4,134 GBP
$5,539 USD
View
Price last confirmed 10 days ago
B+
Retailer 19
-
£4,603 GBP
ZAR 99,638 ZAR
View
B
Retailer 20
-
£5,965 GBP
View
Most Expensive
B
NZ Jewellers
4b6f1b36-0cfc-4715-843e-c83fc4a11c2c · Oct 30
£6,524 GBP
$8,742 USD
View
20 more retailers have this diamond
Prices start from £2,809 GBPSave up to £3,716 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
£2,809 GBP