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Round|Natural|GIA

1.50ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 2426782198

Certificate GIA 2426782198

Diamond specifications and retailer prices

From £3,933 GBP
$5,270 USD
As of November 1, 2026
Save £5,898 GBP (60%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £9,831 GBP at Diamond Quarter · As of November 2, 2026
View at Diamond Quarter

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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2426782198. Listed at 24 retailers as of November 1, 2026, with prices from £3,933 to £9,831, a £5,898 spread on the same certified stone. Diamond Quarter lists it at £9,831. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2426782198
Dimensions7.29 × 7.26 × 4.57 mm
L/W Ratio1.00
Top View
7.29 mm7.26 mm1.50 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2426782198
Side View
Table 58.0%Crown 34.5°Girdle: ThickPavilion 41.6°Culet: NoneDepth 62.8%

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: £5,480 GBP|Low: £3,597 GBP|High: £7,931 GBP|Avg: £5,036 GBP|-8.6%
Retailer 1
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
November 2, 2026
Retailer 11£3,933 GBP
Retailer 4£3,964 GBP
Retailer 3£4,078 GBP
Retailer 2£4,132 GBP
Retailer 10£4,316 GBP
Retailer 14£4,676 GBP
Retailer 7£4,917 GBP
Retailer 6£5,202 GBP
Retailer 12£5,202 GBP
Retailer 8£5,310 GBP
Retailer 13£5,374 GBP
Retailer 1£5,480 GBP
Retailer 5£5,689 GBP
Retailer 9£7,605 GBP

35 data points across 14 retailers

24 retailers£3,933 GBP to £9,831 GBP

A
Cheapest Retailer
-
£3,933 GBP
$5,270 USD
A
Retailer 2
-
£3,964 GBP
$5,311 USD
View
A
Retailer 3
-
£4,078 GBP
$5,464 USD
View
A
Retailer 4
-
£4,132 GBP
$5,537 USD
View
A
Retailer 5
-
£4,316 GBP
$5,783 USD
View
Final sale: no returns
Retailer 6
-
£4,601 GBP
$6,165 USD
View
Price last confirmed 52 days ago
Retailer 7
-
£4,601 GBP
$6,165 USD
View
Price last confirmed 45 days ago
Retailer 8
-
£4,676 GBP
$6,265 USD
View
Price last confirmed 9 days ago
A
Retailer 9
-
£4,917 GBP
View
Retailer 10
-
£5,100 GBP
$6,834 USD
View
Price last confirmed 40 days ago
B+
Retailer 11
-
£5,202 GBP
$6,970 USD
View
B+
Retailer 12
-
£5,202 GBP
$6,970 USD
View
Retailer 13
-
£5,309 GBP
$7,113 USD
View
Price last confirmed 56 days ago
Retailer 14
-
£5,309 GBP
$7,113 USD
View
Price last confirmed 45 days ago
B+
Retailer 15
-
£5,310 GBP
€6,776 EUR
View
B+
Retailer 16
-
£5,374 GBP
$7,200 USD
View
B+
Retailer 17
-
£5,480 GBP
View
Retailer 18
-
£5,689 GBP
$7,622 USD
View
Price last confirmed 10 days ago
Retailer 19
-
£5,885 GBP
$7,885 USD
View
Price last confirmed 41 days ago
B+
Retailer 20
-
£7,605 GBP
View
Retailer 21
-
£8,494 GBP
$11,381 USD
View
Price last confirmed 52 days ago
Retailer 22
-
£8,494 GBP
$11,381 USD
View
Price last confirmed 45 days ago
Retailer 23
-
£9,416 GBP
$12,617 USD
View
Price last confirmed 37 days ago
Most Expensive
B
Diamond Quarter
1.5SI2F249831F4N · Nov 2
£9,831 GBP
View
23 more retailers have this diamond
Prices start from £3,933 GBPSave up to £5,898 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
£3,933 GBP