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Radiant|Natural|GIA

1.50ct D SI1 Radiant Natural Diamond

EX • D/SI1 • GIA 3465932223

Certificate GIA 3465932223

Diamond specifications and retailer prices

From £6,649 GBP
As of November 6, 2026
Save £4,493 GBP (40%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £11,142 GBP at Cape Diamonds · As of November 6, 2026
View at Cape Diamonds

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 3465932223. Listed at 6 retailers as of November 6, 2026, with prices from £6,649 to £11,142, a £4,493 spread on the same certified stone. Cape Diamonds lists it at £11,142. 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
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3465932223
Dimensions7.66 × 5.70 × 3.95 mm
L/W Ratio1.34
Top View
7.66 mm5.70 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 3465932223
Side View
Table 70.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 69.3%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: £11,142 GBP|Low: £6,649 GBP|High: £11,220 GBP|Avg: £7,708 GBP|+0.5%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 2£6,649 GBP
Retailer 5£6,995 GBP
Retailer 4£7,074 GBP
Retailer 3£7,280 GBP
Cape Diamonds£11,142 GBP

6 data points across 5 retailers

6 retailers£6,649 GBP to £11,142 GBP

B+
Cheapest Retailer
-
£6,649 GBP
B
Retailer 2
-
£6,995 GBP
View
B
Retailer 3
-
£7,074 GBP
View
B
Retailer 4
-
£7,166 GBP
View
B+
Retailer 5
-
£7,280 GBP
View
Most Expensive
B
Cape Diamonds
cert_3465932223 · Nov 6
£11,142 GBP
ZAR 240,931 ZAR
View
5 more retailers have this diamond
Prices start from £6,649 GBPSave up to £4,493 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 Radiant
£6,649 GBP