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Round|Natural|GIA

1.50ct N SI1 Round Natural Diamond

VG • N/SI1 • GIA 6422586419

Certificate GIA 6422586419

Diamond specifications and retailer prices

From £1,525 GBP
As of November 5, 2026
Save £1,664 GBP (52%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,188 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 N colour (tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 6422586419. Listed at 10 retailers as of November 5, 2026, with prices from £1,525 to £3,188, a £1,664 spread on the same certified stone. NZ Jewellers lists it at £3,188. 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
N
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 6422586419
Dimensions7.09 × 7.14 × 4.58 mm
L/W Ratio1.01
Top View
7.09 mm7.14 mm1.50 ctN / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6422586419
Side View
Table 57.0%Crown 38.5°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 64.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £3,188 GBP|Low: £1,525 GBP|High: £3,188 GBP|Avg: £1,905 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 6£1,525 GBP
Retailer 7£1,525 GBP
Retailer 8£1,549 GBP
Retailer 5£1,595 GBP
Retailer 9£1,627 GBP
Retailer 3£1,759 GBP
Retailer 4£1,861 GBP
Retailer 2£2,066 GBP
Retailer 10£2,335 GBP
NZ Jewellers£3,188 GBP

36 data points across 10 retailers

10 retailers£1,525 GBP to £3,188 GBP

Retailer 1
-
£1,525 GBP
Price last confirmed 8 days ago
B+
Retailer 2
-
£1,525 GBP
View
B+
Retailer 3
-
£1,549 GBP
View
B+
Retailer 4
-
£1,595 GBP
View
B+
Retailer 5
-
£1,627 GBP
View
B+
Retailer 6
-
£1,759 GBP
View
B+
Retailer 7
-
£1,861 GBP
View
B+
Retailer 8
-
£2,066 GBP
View
B
Retailer 9
-
£2,335 GBP
View
Most Expensive
B
NZ Jewellers
84603215-4e36-41f1-85d1-10f869fda15e · Nov 5
£3,188 GBP
$4,291 USD
View
9 more retailers have this diamond
Prices start from £1,525 GBPSave up to £1,664 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.

B+
1.50ct Round
£1,525 GBP