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Radiant|Natural|GIA

1.51ct K VS2 Radiant Natural Diamond

EX • K/VS2 • GIA 2456870191

Certificate GIA 2456870191

Diamond specifications and retailer prices

From £3,948 GBP
As of November 5, 2026
Save £4,505 GBP (53%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £8,454 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and VS2 clarity (very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2456870191. Listed at 16 retailers as of November 5, 2026, with prices from £3,948 to £8,454, a £4,505 spread on the same certified stone. NZ Jewellers lists it at £8,454. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
K
Colour
VS2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2456870191
Dimensions8.27 × 5.50 × 3.67 mm
L/W Ratio1.50
Top View
8.27 mm5.50 mm1.51 ctK / VS2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2456870191
Side View
Table 70.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 66.8%

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: £8,454 GBP|Low: £3,855 GBP|High: £8,454 GBP|Avg: £5,425 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 6£3,855 GBP
Retailer 10£4,266 GBP
Retailer 7£4,579 GBP
Retailer 8£4,579 GBP
Retailer 9£4,579 GBP
Retailer 2£4,800 GBP
Retailer 3£5,202 GBP
Retailer 4£6,167 GBP
Retailer 5£7,426 GBP
NZ Jewellers£8,454 GBP

45 data points across 10 retailers

16 retailers£3,948 GBP to £8,454 GBP

Retailer 1
-
£3,855 GBP
Price last confirmed 10 days ago
B+
Retailer 2
-
£3,948 GBP
View
B+
Retailer 3
-
£3,994 GBP
View
B+
Retailer 4
-
£4,262 GBP
View
B+
Retailer 5
-
£4,266 GBP
View
Retailer 6
-
£4,579 GBP
View
Price last confirmed 9 days ago
B+
Retailer 7
-
£4,579 GBP
View
B+
Retailer 8
-
£4,579 GBP
View
B
Retailer 9
-
£4,800 GBP
View
B
Retailer 10
-
£4,829 GBP
View
B+
Retailer 11
-
£5,202 GBP
View
B
Retailer 12
-
£5,284 GBP
View
Retailer 13
-
£5,572 GBP
View
Price last confirmed 15 days ago
B
Retailer 14
-
£6,167 GBP
View
B
Retailer 15
-
£7,426 GBP
View
Most Expensive
B
NZ Jewellers
8724e8c8-77dc-4199-84a6-3548e1c744c8 · Nov 5
£8,454 GBP
$11,315 USD
View
15 more retailers have this diamond
Prices start from £3,948 GBPSave up to £4,505 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+
1.51ct Radiant
£3,948 GBP