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1.50ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 2496875232

Shape and cutting style on the report: Round brilliant

Certificate GIA 2496875232

Diamond specifications and retailer prices

From £1,663 GBP
As of November 6, 2026
Save £3,388 GBP (67%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £5,051 GBP at Adiamor · As of November 5, 2026
View at Adiamor

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 top-tier cut grade and certified by GIA 2496875232. Listed at 17 retailers as of November 5, 2026, with prices from £1,663 to £5,051, a £3,388 spread on the same certified stone. Adiamor lists it at £5,051. 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
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2496875232
Dimensions7.32 × 7.29 × 4.55 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
7.32 mm7.29 mm1.50 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2496875232
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £1,663 GBP|Low: £1,663 GBP|High: £3,922 GBP|Avg: £2,372 GBP|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 1£1,663 GBP
Retailer 8£1,683 GBP
Retailer 10£1,979 GBP
Retailer 11£2,074 GBP
Retailer 9£2,089 GBP
Retailer 4£2,341 GBP
Retailer 5£2,369 GBP
Retailer 3£2,407 GBP
Retailer 7£2,410 GBP
Retailer 2£3,112 GBP
Retailer 6£3,864 GBP

42 data points across 11 retailers

17 retailers£1,663 GBP to £5,051 GBP

A
Cheapest Retailer
-
£1,663 GBP
A
Retailer 2
-
£1,683 GBP
View
A
Retailer 3
-
£1,979 GBP
View
A
Retailer 4
-
£2,074 GBP
View
A
Retailer 5
-
£2,089 GBP
View
Retailer 6
-
£2,199 GBP
View
Price last confirmed 109 days ago
Retailer 7
-
£2,317 GBP
View
Price last confirmed 8 days ago
A
Retailer 8
-
£2,317 GBP
View
A
Retailer 9
-
£2,341 GBP
View
A
Retailer 10
-
£2,369 GBP
View
A
Retailer 11
-
£2,407 GBP
View
A
Retailer 12
-
£2,410 GBP
View
A
Retailer 13
-
£2,423 GBP
View
B+
Retailer 14
-
£2,673 GBP
View
B
Retailer 15
-
£3,864 GBP
View
B
Retailer 16
-
£4,037 GBP
View
Most Expensive
B
Adiamor
D-64708989 · Nov 5
£5,051 GBP
$6,798 USD
View
16 more retailers have this diamond
Prices start from £1,663 GBPSave up to £3,388 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
£1,663 GBP