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Radiant|Natural|GIA

1.50ct D SI1 Radiant Natural Diamond

EX • D/SI1 • GIA 6561717297

Certificate GIA 6561717297

Diamond specifications and retailer prices

From £5,050 GBP
As of November 6, 2026
Save £6,270 GBP (55%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £11,320 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural radiant diamond

This 1.5ct natural radiant 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 stated by the retailer rather than the lab and certified by GIA 6561717297. Listed at 21 retailers as of November 5, 2026, with prices from £5,050 to £11,320, a £6,270 spread on the same certified stone. NZ Jewellers lists it at £11,320. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6561717297
Dimensions8.00 × 5.72 × 3.79 mm
L/W Ratio1.40
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Feather, Indented Natural
Top View
8.00 mm5.72 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6561717297
Side View
Table 65.0%CrownGirdle: ThickPavilionCulet: NoneDepth 66.2%

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 6
Current: £11,320 GBP|Low: £5,050 GBP|High: £11,468 GBP|Avg: £6,654 GBP|-1.3%
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
November 7, 2026
Retailer 19£5,050 GBP
Retailer 5£5,239 GBP
Retailer 17£5,240 GBP
Retailer 16£5,382 GBP
Retailer 18£5,690 GBP
Retailer 8£5,850 GBP
Retailer 12£6,016 GBP
Retailer 13£6,171 GBP
Retailer 15£6,208 GBP
Retailer 20£6,257 GBP
Retailer 14£6,330 GBP
Retailer 9£6,768 GBP
Retailer 11£6,775 GBP
Retailer 2£6,828 GBP
Retailer 7£6,917 GBP
Retailer 21£6,950 GBP
Retailer 10£6,956 GBP
Retailer 4£7,759 GBP
Retailer 3£8,257 GBP
Retailer 6£9,408 GBP
NZ Jewellers£11,320 GBP

10 data points across 21 retailers

21 retailers£5,050 GBP to £11,320 GBP

A
Cheapest Retailer
-
£5,050 GBP
A
Retailer 2
-
£5,239 GBP
View
A
Retailer 3
-
£5,240 GBP
View
A
Retailer 4
-
£5,382 GBP
View
Final sale: no returns
A
Retailer 5
-
£5,690 GBP
View
B+
Retailer 6
-
£5,850 GBP
View
B+
Retailer 7
-
£6,016 GBP
View
B+
Retailer 8
-
£6,171 GBP
View
B+
Retailer 9
-
£6,208 GBP
View
B+
Retailer 10
-
£6,257 GBP
View
Retailer 11
-
£6,330 GBP
View
Price last confirmed 9 days ago
B+
Retailer 12
-
£6,768 GBP
View
B+
Retailer 13
-
£6,775 GBP
View
B+
Retailer 14
-
£6,828 GBP
View
B+
Retailer 15
-
£6,917 GBP
View
B+
Retailer 16
-
£6,950 GBP
View
B+
Retailer 17
-
£6,956 GBP
View
B+
Retailer 18
-
£7,759 GBP
View
B
Retailer 19
-
£8,257 GBP
View
B
Retailer 20
-
£9,408 GBP
View
Most Expensive
B
NZ Jewellers
6d2e508b-53d2-41e9-a39d-c0b8e141939d · Nov 5
£11,320 GBP
$15,152 USD
View
20 more retailers have this diamond
Prices start from £5,050 GBPSave up to £6,270 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 Radiant
£5,050 GBP