Radiant|Natural|GIA

1.50ct K SI1 Radiant Natural Diamond

VG • K/SI1 • GIA 6502761742

Certificate GIA 6502761742

Diamond specifications and retailer prices

From £2,855 GBP
As of November 5, 2026
Save £3,511 GBP (55%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £6,367 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 very-good cut grade stated by the retailer rather than the lab and certified by GIA 6502761742. Listed at 16 retailers as of November 5, 2026, with prices from £2,855 to £6,367, a £3,511 spread on the same certified stone. NZ Jewellers lists it at £6,367. 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
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6502761742
Dimensions7.48 × 5.71 × 3.97 mm
L/W Ratio1.31
Top View
7.48 mm5.71 mm1.50 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6502761742
Side View
Table 65.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.6%

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 5
Current: £6,367 GBP|Low: £2,843 GBP|High: £6,367 GBP|Avg: £4,081 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 7£2,843 GBP
Retailer 9£3,138 GBP
Retailer 6£3,310 GBP
Retailer 8£3,310 GBP
Retailer 10£3,310 GBP
Retailer 2£3,598 GBP
Retailer 3£3,889 GBP
Retailer 4£4,459 GBP
Retailer 5£5,804 GBP
NZ Jewellers£6,367 GBP

45 data points across 10 retailers

16 retailers£2,855 GBP to £6,367 GBP

Retailer 1
-
£2,843 GBP
Price last confirmed 10 days ago
B+
Retailer 2
-
£2,855 GBP
View
B+
Retailer 3
-
£2,914 GBP
View
B+
Retailer 4
-
£3,109 GBP
View
B+
Retailer 5
-
£3,138 GBP
View
Retailer 6
-
£3,310 GBP
View
Price last confirmed 9 days ago
B+
Retailer 7
-
£3,310 GBP
View
B+
Retailer 8
-
£3,310 GBP
View
B
Retailer 9
-
£3,485 GBP
View
B
Retailer 10
-
£3,598 GBP
View
B
Retailer 11
-
£3,820 GBP
View
B
Retailer 12
-
£3,889 GBP
View
Retailer 13
-
£4,034 GBP
View
Price last confirmed 15 days ago
B
Retailer 14
-
£4,459 GBP
View
B
Retailer 15
-
£5,804 GBP
View
Most Expensive
C
NZ Jewellers
62cc8420-e6e5-4148-9256-f54bcb1e0b02 · Nov 5
£6,367 GBP
$8,522 USD
View
15 more retailers have this diamond
Prices start from £2,855 GBPSave up to £3,511 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
£2,855 GBP