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Radiant|Natural|GIA

1.50ct K SI1 Radiant Natural Diamond

EX • K/SI1 • GIA 2477222684

Certificate GIA 2477222684

Diamond specifications and retailer prices

From £1,872 GBP
As of November 6, 2026
Save £2,592 GBP (58%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £4,464 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2477222684. Listed at 15 retailers as of November 5, 2026, with prices from £1,872 to £4,464, a £2,592 spread on the same certified stone. NZ Jewellers lists it at £4,464. 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
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2477222684
Dimensions7.62 × 5.73 × 3.95 mm
L/W Ratio1.33
Culet sizeNone
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Key to symbols
Crystal
Top View
7.62 mm5.73 mm1.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2477222684
Side View
Table 68.0%CrownGirdlePavilionCulet: NoneDepth 68.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £4,464 GBP|Low: £1,872 GBP|High: £4,602 GBP|Avg: £2,515 GBP|-3.0%
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
November 7, 2026
Retailer 4£1,872 GBP
Retailer 3£1,913 GBP
Retailer 13£2,030 GBP
Retailer 8£2,071 GBP
Retailer 6£2,092 GBP
Retailer 7£2,135 GBP
Retailer 14£2,135 GBP
Retailer 5£2,217 GBP
Retailer 15£2,241 GBP
Retailer 2£2,260 GBP
Retailer 12£2,464 GBP
Retailer 9£2,486 GBP
Retailer 10£2,606 GBP
Retailer 11£3,730 GBP
NZ Jewellers£4,464 GBP

29 data points across 15 retailers

15 retailers£1,872 GBP to £4,464 GBP

A
Cheapest Retailer
-
£1,872 GBP
A
Retailer 2
-
£1,913 GBP
View
A
Retailer 3
-
£2,030 GBP
View
A
Retailer 4
-
£2,071 GBP
View
A
Retailer 5
-
£2,092 GBP
View
Retailer 6
-
£2,135 GBP
View
Price last confirmed 9 days ago
A
Retailer 7
-
£2,135 GBP
View
A
Retailer 8
-
£2,217 GBP
View
A
Retailer 9
-
£2,241 GBP
View
A
Retailer 10
-
£2,260 GBP
View
A
Retailer 11
-
£2,464 GBP
View
A
Retailer 12
-
£2,486 GBP
View
A
Retailer 13
-
£2,606 GBP
View
B
Retailer 14
-
£3,730 GBP
View
Most Expensive
B
NZ Jewellers
b1e514a5-1d17-413c-8b6e-dd9382e361b6 · Nov 5
£4,464 GBP
$5,975 USD
View
14 more retailers have this diamond
Prices start from £1,872 GBPSave up to £2,592 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
£1,872 GBP