Round|Natural|GIA

0.45ct J VS1 Round Natural Diamond

EX • J/VS1 • GIA 2557501912

Certificate GIA 2557501912

Diamond specifications and retailer prices

From £233 GBP
As of November 6, 2026
Save £1,006 GBP (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,424 GBP at NZ Jewellers · As of September 5, 2026
View at NZ Jewellers

About this 0.45ct natural round diamond

This 0.45ct natural round sits in the sub-half-carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 2557501912. Listed at 20 retailers as of November 4, 2026, with a 431% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.45
Carat
J
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2557501912
Dimensions4.87 × 4.89 × 3.07 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
4.87 mm4.89 mm0.45 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557501912
Side View
Table 55.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.9%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: £1,239 GBP|Low: £233 GBP|High: £1,262 GBP|Avg: £440 GBP|-1.8%
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
Retailer 16
November 6, 2026
Retailer 2£233 GBP
Retailer 4£276 GBP
Retailer 7£282 GBP
Retailer 8£301 GBP
Retailer 6£323 GBP
Retailer 12£334 GBP
Retailer 9£340 GBP
Retailer 5£348 GBP
Retailer 3£373 GBP
Retailer 10£399 GBP
Retailer 11£420 GBP
Retailer 16£443 GBP
Retailer 14£524 GBP
Retailer 15£528 GBP
Retailer 13£746 GBP
NZ Jewellers£1,239 GBP

28 data points across 16 retailers

20 retailers£233 GBP to £1,239 GBP

A
Cheapest Retailer
-
£233 GBP
A
Retailer 2
-
£276 GBP
View
A
Retailer 3
-
£282 GBP
View
Retailer 4
-
£301 GBP
View
Price last confirmed 16 days ago
A
Retailer 5
-
£323 GBP
View
A
Retailer 6
-
£334 GBP
View
A
Retailer 7
-
£336 GBP
View
A
Retailer 8
-
£340 GBP
View
A
Retailer 9
-
£348 GBP
View
Retailer 10
-
£371 GBP
View
Price last confirmed 62 days ago
A
Retailer 11
-
£373 GBP
View
A
Retailer 12
-
£399 GBP
View
B+
Retailer 13
-
£420 GBP
View
Retailer 14
-
£429 GBP
View
Price last confirmed 60 days ago
B+
Retailer 15
-
£443 GBP
View
B
Retailer 16
-
£524 GBP
View
B+
Retailer 17
-
£528 GBP
View
B
Retailer 18
-
£746 GBP
View
B
Retailer 19
-
£1,239 GBP
View
Most Expensive
NZ Jewellers
49475c78-ff3b-48c7-866c-7665157cd8e0 · Sep 5
£1,424 GBP
$1,916 USD
View
Price under review
19 more retailers have this diamond
Prices start from £233 GBPSave up to £1,006 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
0.45ct Round
£233 GBP