Round|Natural|GIA

1.50ct J SI2 Round Natural Diamond

VG • J/SI2 • GIA 6495149114

Certificate GIA 6495149114

Diamond specifications and retailer prices

From £2,291 GBP
As of November 6, 2026
Save £3,622 GBP (61%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £5,913 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 6495149114. Listed at 18 retailers as of November 5, 2026, with prices from £2,291 to £5,913, a £3,622 spread on the same certified stone. Adiamor lists it at £5,913. 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
J
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6495149114
Dimensions7.46 × 7.42 × 4.40 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.46 mm7.42 mm1.50 ctJ / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 6495149114
Side View
Table 61.0%Crown 31.5°Girdle: ThickPavilion 40.8°Culet: NoneDepth 59.1%

Caratlytics Score

How it works →
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: £2,291 GBP|Low: £2,291 GBP|High: £5,384 GBP|Avg: £3,187 GBP|-2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 1£2,291 GBP
Retailer 10£2,330 GBP
Retailer 2£2,420 GBP
Retailer 7£2,528 GBP
Retailer 11£2,741 GBP
Retailer 12£2,799 GBP
Retailer 5£2,932 GBP
Retailer 4£3,181 GBP
Retailer 6£3,202 GBP
Retailer 9£3,343 GBP
Retailer 3£4,166 GBP
Retailer 8£5,306 GBP

38 data points across 12 retailers

18 retailers£2,291 GBP to £5,913 GBP

A
Cheapest Retailer
-
£2,291 GBP
B+
Retailer 2
-
£2,330 GBP
View
B+
Retailer 3
-
£2,420 GBP
View
Final sale: no returns
B+
Retailer 4
-
£2,528 GBP
View
B+
Retailer 5
-
£2,741 GBP
View
B+
Retailer 6
-
£2,799 GBP
View
B+
Retailer 7
-
£2,932 GBP
View
Retailer 8
-
£2,976 GBP
View
Price last confirmed 109 days ago
B+
Retailer 9
-
£3,181 GBP
View
Retailer 10
-
£3,181 GBP
View
Price last confirmed 8 days ago
B+
Retailer 11
-
£3,181 GBP
View
B+
Retailer 12
-
£3,202 GBP
View
B+
Retailer 13
-
£3,291 GBP
View
B+
Retailer 14
-
£3,343 GBP
View
B
Retailer 15
-
£3,671 GBP
View
B
Retailer 16
-
£5,306 GBP
View
C
Retailer 17
-
£5,543 GBP
View
Most Expensive
C
Adiamor
D-64719739 · Nov 5
£5,913 GBP
$7,959 USD
View
17 more retailers have this diamond
Prices start from £2,291 GBPSave up to £3,622 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
£2,291 GBP