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Round|Natural|GIA

1.50ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6552673012

Certificate GIA 6552673012

Diamond specifications and retailer prices

From £4,242 GBP
HK$44,400 HKD
As of October 30, 2026
Save £5,482 GBP (56%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £9,724 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552673012. Listed at 10 retailers as of October 30, 2026, with prices from £4,242 to £9,724, a £5,482 spread on the same certified stone. NZ Jewellers lists it at £9,724. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6552673012
Dimensions7.23 × 7.29 × 4.55 mm
L/W Ratio1.01
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
7.23 mm7.29 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552673012
Side View
Table 57.0%CrownGirdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.6%

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: £9,724 GBP|Low: £4,242 GBP|High: £10,461 GBP|Avg: £6,356 GBP|-7.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2£4,242 GBP
Retailer 3£4,868 GBP
Retailer 9£5,066 GBP
Retailer 8£5,077 GBP
Retailer 6£5,888 GBP
Retailer 7£5,978 GBP
Retailer 10£6,034 GBP
Retailer 4£6,505 GBP
Retailer 5£8,249 GBP
NZ Jewellers£9,724 GBP

42 data points across 10 retailers

10 retailers£4,242 GBP to £9,724 GBP

A
Cheapest Retailer
-
£4,242 GBP
HK$44,400 HKD
A
Retailer 2
-
£4,868 GBP
€6,211 EUR
View
Retailer 3
-
£5,066 GBP
SGD 9,172 SGD
View
Price last confirmed 19 days ago
A
Retailer 4
-
£5,077 GBP
$6,802 USD
View
A
Retailer 5
-
£5,888 GBP
$7,889 USD
View
A
Retailer 6
-
£5,978 GBP
$8,010 USD
View
B+
Retailer 7
-
£6,034 GBP
A$12,438 AUD
View
B+
Retailer 8
-
£6,505 GBP
€8,301 EUR
View
B+
Retailer 9
-
£8,249 GBP
View
Most Expensive
B
NZ Jewellers
df459700-bc96-43ab-b655-bc388fce4981 · Oct 30
£9,724 GBP
$13,029 USD
View
9 more retailers have this diamond
Prices start from £4,242 GBPSave up to £5,482 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
£4,242 GBP