CaratHunter
Plans
Round|Natural|GIA

1.50ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6532007868

Certificate GIA 6532007868

Diamond specifications and retailer prices

From £3,661 GBP
As of November 1, 2026
Save £4,482 GBP (55%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £8,143 GBP at NZ Jewellers · As of November 5, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6532007868. Listed at 26 retailers as of November 1, 2026, with prices from £3,661 to £8,143, a £4,482 spread on the same certified stone. NZ Jewellers lists it at £8,143. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6532007868
Dimensions7.26 × 7.32 × 4.58 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.26 mm7.32 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6532007868
Side View
Table 58.0%Crown 35°Girdle: Medium to Slightly 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: £8,143 GBP|Low: £3,661 GBP|High: £8,143 GBP|Avg: £4,735 GBP
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
Retailer 23
Retailer 24
Retailer 25
November 6, 2026
Retailer 3£3,661 GBP
Retailer 6£3,712 GBP
Retailer 7£3,739 GBP
Retailer 12£3,847 GBP
Retailer 2£3,848 GBP
Retailer 8£3,897 GBP
Retailer 14£4,071 GBP
Retailer 25£4,117 GBP
Retailer 18£4,256 GBP
Retailer 15£4,323 GBP
Retailer 9£4,352 GBP
Retailer 4£4,411 GBP
Retailer 5£4,411 GBP
Retailer 10£4,411 GBP
Retailer 24£4,490 GBP
Retailer 19£4,593 GBP
Retailer 17£4,821 GBP
Retailer 13£4,980 GBP
Retailer 11£5,089 GBP
Retailer 20£5,186 GBP
Retailer 16£5,368 GBP
Retailer 21£5,940 GBP
Retailer 23£7,056 GBP
Retailer 22£7,154 GBP
NZ Jewellers£8,143 GBP

29 data points across 25 retailers

26 retailers£3,661 GBP to £8,143 GBP

A
Cheapest Retailer
-
£3,661 GBP
A
Retailer 2
-
£3,712 GBP
View
A
Retailer 3
-
£3,739 GBP
View
A
Retailer 4
-
£3,847 GBP
View
A
Retailer 5
-
£3,848 GBP
View
A
Retailer 6
-
£3,897 GBP
View
B+
Retailer 7
-
£4,071 GBP
View
Final sale: no returns
B+
Retailer 8
-
£4,117 GBP
View
B+
Retailer 9
-
£4,256 GBP
View
B+
Retailer 10
-
£4,323 GBP
View
B+
Retailer 11
-
£4,352 GBP
View
B+
Retailer 12
-
£4,411 GBP
View
Retailer 13
-
£4,411 GBP
View
Price last confirmed 8 days ago
B+
Retailer 14
-
£4,411 GBP
View
B+
Retailer 15
-
£4,490 GBP
View
B+
Retailer 16
-
£4,593 GBP
View
Retailer 17
-
£4,660 GBP
View
Price last confirmed 33 days ago
B+
Retailer 18
-
£4,821 GBP
View
B+
Retailer 19
-
£4,980 GBP
View
B+
Retailer 20
-
£5,089 GBP
View
B+
Retailer 21
-
£5,186 GBP
View
Retailer 22
-
£5,368 GBP
View
Price last confirmed 14 days ago
B+
Retailer 23
-
£5,940 GBP
View
B
Retailer 24
-
£7,056 GBP
View
B
Retailer 25
-
£7,154 GBP
View
Most Expensive
B
NZ Jewellers
f32ba4af-7690-4b3f-bc30-144d71be6371 · Nov 5
£8,143 GBP
$10,899 USD
View
25 more retailers have this diamond
Prices start from £3,661 GBPSave up to £4,482 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
£3,661 GBP