Round|Natural|GIA

1.50ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 6531896922

Certificate GIA 6531896922

Diamond specifications and retailer prices

From £4,447 GBP
As of November 1, 2026
Save £3,978 GBP (47%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £10,433 GBP at NZ Jewellers · As of September 21, 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 top-tier cut grade and certified by GIA 6531896922. Listed at 8 retailers as of November 1, 2026, with a 89% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6531896922
Dimensions7.28 × 7.35 × 4.52 mm
L/W Ratio1.01
Top View
7.28 mm7.35 mm1.50 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6531896922
Side View
Table 59.0%CrownGirdle: Slightly ThickPavilion 41.6°Culet: NoneDepth 61.7%

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: £6,567 GBP|Low: £4,447 GBP|High: £8,708 GBP|Avg: £6,116 GBP|-0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 5£4,447 GBP
Retailer 3£4,989 GBP
Retailer 4£5,149 GBP
Retailer 6£5,186 GBP
Retailer 1£6,567 GBP
Retailer 8£6,705 GBP
Retailer 7£6,888 GBP
Retailer 2£8,424 GBP

17 data points across 8 retailers

8 retailers£4,447 GBP to £8,424 GBP

A
Cheapest Retailer
-
£4,447 GBP
Retailer 2
-
£4,989 GBP
View
Price last confirmed 5 days ago
B+
Retailer 3
-
£5,149 GBP
View
Retailer 4
-
£5,186 GBP
View
Price last confirmed 25 days ago
Retailer 5
-
£6,238 GBP
View
Price last confirmed 44 days ago
B+
Retailer 6
-
£6,567 GBP
View
B
Retailer 7
-
£8,424 GBP
View
Most Expensive
NZ Jewellers
7f0193ba-4f02-4466-a667-ac626871db43 · Sep 21
£10,433 GBP
$13,965 USD
View
Price last confirmed 46 days ago
7 more retailers have this diamond
Prices start from £4,447 GBPSave up to £3,978 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
£4,447 GBP