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Round|Natural|GIA

1.50ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 6522731906

Certificate GIA 6522731906

Diamond specifications and retailer prices

From £4,912 GBP
$6,581 USD
As of October 30, 2026
Save £5,948 GBP (55%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £10,860 GBP at NZ Jewellers · As of October 30, 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6522731906. Listed at 25 retailers as of October 30, 2026, with prices from £4,912 to £10,860, a £5,948 spread on the same certified stone. NZ Jewellers lists it at £10,860. 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
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6522731906
Dimensions7.30 × 7.25 × 4.56 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.30 mm7.25 mm1.50 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6522731906
Side View
Table 57.0%Crown 36.5°Girdle: Sli. ThickPavilion 41.2°Culet: NoneDepth 62.9%

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: Oct 30
Current: £10,860 GBP|Low: £4,292 GBP|High: £10,860 GBP|Avg: £6,534 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 3£5,084 GBP
Retailer 6£5,151 GBP
Retailer 7£5,429 GBP
Retailer 10£5,430 GBP
Retailer 11£5,883 GBP
Retailer 8£5,973 GBP
Retailer 2£6,009 GBP
Retailer 9£6,787 GBP
Retailer 4£6,996 GBP
Retailer 5£9,061 GBP
NZ Jewellers£10,860 GBP

41 data points across 11 retailers

25 retailers£4,912 GBP to £10,860 GBP

A
Cheapest Retailer
-
£4,912 GBP
$6,581 USD
A
Retailer 2
-
£5,057 GBP
A$10,424 AUD
View
A
Retailer 3
-
£5,084 GBP
$6,812 USD
View
A
Retailer 4
-
£5,151 GBP
$6,901 USD
View
A
Retailer 5
-
£5,215 GBP
$6,987 USD
View
A
Retailer 6
-
£5,429 GBP
$7,274 USD
View
Final sale: no returns
A
Retailer 7
-
£5,430 GBP
$7,275 USD
View
B+
Retailer 8
-
£5,784 GBP
$7,750 USD
View
Retailer 9
-
£5,883 GBP
$7,882 USD
View
Price last confirmed 49 days ago
B+
Retailer 10
-
£5,883 GBP
$7,882 USD
View
B+
Retailer 11
-
£5,973 GBP
$8,003 USD
View
B+
Retailer 12
-
£6,009 GBP
$8,051 USD
View
A
Retailer 13
-
£6,009 GBP
View
B+
Retailer 14
-
£6,077 GBP
$8,143 USD
View
B+
Retailer 15
-
£6,471 GBP
$8,670 USD
View
B+
Retailer 16
-
£6,471 GBP
$8,670 USD
View
B+
Retailer 17
-
£6,563 GBP
$8,793 USD
View
B+
Retailer 18
-
£6,687 GBP
$8,960 USD
View
B+
Retailer 19
-
£6,787 GBP
$9,094 USD
View
Retailer 20
-
£6,787 GBP
$9,094 USD
View
Price last confirmed 53 days ago
B+
Retailer 21
-
£6,996 GBP
€8,927 EUR
View
Retailer 22
-
£7,151 GBP
$9,581 USD
View
Price last confirmed 7 days ago
B
Retailer 23
-
£9,061 GBP
View
Retailer 24
-
£10,860 GBP
$14,551 USD
View
Price last confirmed 50 days ago
Most Expensive
B
NZ Jewellers
49bc86d9-98a7-4447-9579-ddd4a50fb660 · Oct 30
£10,860 GBP
$14,551 USD
View
24 more retailers have this diamond
Prices start from £4,912 GBPSave up to £5,948 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
£4,912 GBP