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Radiant|Natural|GIA

1.50ct K SI2 Radiant Natural Diamond

VG • K/SI2 • GIA 1555449341

Certificate GIA 1555449341

Diamond specifications and retailer prices

From £1,325 GBP
As of November 7, 2026
Save £2,069 GBP (61%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £3,395 GBP at NZ Jewellers · As of November 3, 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 SI2 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 1555449341. Listed at 7 retailers as of November 3, 2026, with prices from £1,325 to £3,395, a £2,069 spread on the same certified stone. NZ Jewellers lists it at £3,395. 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
K
Colour
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle56.88°
Pavilion angle37.42°
OriginNatural
Grading LabGIA
CertificateGIA 1555449341
Dimensions7.25 × 5.71 × 4.08 mm
L/W Ratio1.27
Girdle conditionVery Thick
Key to symbols
Feather, Crystal, Needle, Indented Natural, Natural
Top View
7.25 mm5.71 mm1.50 ctK / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 1555449341
Side View
Table 76.0%Crown 56.88°GirdlePavilion 37.42°CuletDepth 71.4%

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 7
Current: £3,395 GBP|Low: £1,293 GBP|High: £3,411 GBP|Avg: £1,831 GBP|-0.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 7, 2026
Retailer 3£1,325 GBP
Retailer 7£1,392 GBP
Retailer 5£1,394 GBP
Retailer 2£1,443 GBP
Retailer 4£1,542 GBP
Retailer 6£2,438 GBP
NZ Jewellers£3,395 GBP

40 data points across 7 retailers

7 retailers£1,325 GBP to £3,395 GBP

B+
Cheapest Retailer
-
£1,325 GBP
B+
Retailer 2
-
£1,392 GBP
View
B+
Retailer 3
-
£1,394 GBP
View
B+
Retailer 4
-
£1,443 GBP
View
B+
Retailer 5
-
£1,542 GBP
View
B+
Retailer 6
-
£2,438 GBP
View
Most Expensive
B
NZ Jewellers
37402e36-09f1-42d4-baa6-312e8ca95cb8 · Nov 3
£3,395 GBP
$4,544 USD
View
6 more retailers have this diamond
Prices start from £1,325 GBPSave up to £2,069 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
£1,325 GBP