Radiant|Natural|GIA

1.50ct D SI1 Radiant Natural Diamond

ID • D/SI1 • GIA 1513462674

Certificate GIA 1513462674

Diamond specifications and retailer prices

From £5,347 GBP
As of November 6, 2026
Save £6,121 GBP (53%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: £11,468 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 1513462674. Listed at 29 retailers as of November 5, 2026, with prices from £5,347 to £11,468, a £6,121 spread on the same certified stone. NZ Jewellers lists it at £11,468. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle44.19°
Pavilion angle30.33°
OriginNatural
Grading LabGIA
CertificateGIA 1513462674
Dimensions7.44 × 5.74 × 3.82 mm
L/W Ratio1.30
Girdle conditionThick
Key to symbols
Crystal, Cloud, Needle
Top View
7.44 mm5.74 mm1.50 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1513462674
Side View
Table 68.0%Crown 44.19°Girdle: STK-THKPavilion 30.33°Culet: NoneDepth 66.6%

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: Nov 6
Current: £11,468 GBP|Low: £5,347 GBP|High: £11,468 GBP|Avg: £7,236 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
November 7, 2026
Retailer 6£5,347 GBP
Retailer 17£5,369 GBP
Retailer 9£5,446 GBP
Retailer 3£5,544 GBP
Retailer 7£5,733 GBP
Retailer 21£6,109 GBP
Retailer 13£6,135 GBP
Retailer 8£6,211 GBP
Retailer 15£6,307 GBP
Retailer 2£6,333 GBP
Retailer 19£6,354 GBP
Retailer 10£6,430 GBP
Retailer 16£6,579 GBP
Retailer 11£6,814 GBP
Retailer 12£6,814 GBP
Retailer 20£6,861 GBP
Retailer 18£6,939 GBP
Retailer 22£7,045 GBP
Retailer 23£7,089 GBP
Retailer 5£7,168 GBP
Retailer 4£8,365 GBP
Retailer 14£9,901 GBP
NZ Jewellers£11,468 GBP

36 data points across 23 retailers

29 retailers£5,347 GBP to £11,468 GBP

A
Cheapest Retailer
-
£5,347 GBP
A
Retailer 2
-
£5,369 GBP
View
A
Retailer 3
-
£5,393 GBP
View
A
Retailer 4
-
£5,446 GBP
View
A
Retailer 5
-
£5,541 GBP
View
A
Retailer 6
-
£5,544 GBP
View
A
Retailer 7
-
£5,733 GBP
View
Final sale: no returns
B+
Retailer 8
-
£5,735 GBP
View
Retailer 9
-
£5,958 GBP
View
Price last confirmed 9 days ago
B+
Retailer 10
-
£6,109 GBP
View
B+
Retailer 11
-
£6,135 GBP
View
B+
Retailer 12
-
£6,211 GBP
View
B+
Retailer 13
-
£6,307 GBP
View
B+
Retailer 14
-
£6,333 GBP
View
B+
Retailer 15
-
£6,354 GBP
View
B+
Retailer 16
-
£6,430 GBP
View
B+
Retailer 17
-
£6,530 GBP
View
Retailer 18
-
£6,560 GBP
View
Price last confirmed 15 days ago
Retailer 19
-
£6,579 GBP
View
Price last confirmed 15 days ago
B+
Retailer 20
-
£6,814 GBP
View
B+
Retailer 21
-
£6,814 GBP
View
B+
Retailer 22
-
£6,861 GBP
View
B+
Retailer 23
-
£6,939 GBP
View
B+
Retailer 24
-
£7,045 GBP
View
B+
Retailer 25
-
£7,089 GBP
View
B
Retailer 26
-
£7,168 GBP
View
B+
Retailer 27
-
£8,365 GBP
View
B
Retailer 28
-
£9,901 GBP
View
Most Expensive
B
NZ Jewellers
568239e8-7a7e-4904-a651-427821ed27ad · Nov 5
£11,468 GBP
$15,350 USD
View
28 more retailers have this diamond
Prices start from £5,347 GBPSave up to £6,121 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
£5,347 GBP