Round|Natural|GIA

0.45ct I VS1 Round Natural Diamond

EX • I/VS1 • GIA 6421987879

Certificate GIA 6421987879

Diamond specifications and retailer prices

From £566 GBP
As of November 4, 2026
Save £501 GBP (47%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,389 GBP at Flawless Fine Jewelry · As of October 8, 2026
View at Flawless Fine Jewelry

About this 0.45ct natural round diamond

This 0.45ct natural round sits in the sub-half-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 6421987879. Listed at 20 retailers as of November 2, 2026, with a 89% 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
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6421987879
Dimensions4.90 × 4.85 × 3.03 mm
L/W Ratio1.01
Top View
4.90 mm4.85 mm0.45 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6421987879
Side View
Table 57.0%Crown 36°Girdle: Sli. ThickPavilion 40.6°Culet: NoneDepth 62.4%

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 4
Current: £1,389 GBP|Low: £553 GBP|High: £1,389 GBP|Avg: £882 GBP|+2.5%
Flawless Fine Jewelry
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 3, 2026
Retailer 9£566 GBP
Retailer 7£602 GBP
Retailer 5£702 GBP
Retailer 4£733 GBP
Retailer 10£733 GBP
Retailer 3£748 GBP
Retailer 11£763 GBP
Retailer 15£861 GBP
Retailer 8£875 GBP
Retailer 2£895 GBP
Retailer 6£927 GBP
Retailer 14£1,040 GBP
Retailer 13£1,075 GBP
Retailer 12£1,279 GBP
Flawless Fine Jewelry£1,389 GBP

39 data points across 15 retailers

20 retailers£566 GBP to £1,067 GBP

B+
Cheapest Retailer
-
£566 GBP
Retailer 2
-
£573 GBP
View
Price last confirmed 101 days ago
B+
Retailer 3
-
£602 GBP
View
Retailer 4
-
£627 GBP
View
Price last confirmed 27 days ago
Retailer 5
-
£627 GBP
View
Price last confirmed 27 days ago
Retailer 6
-
£651 GBP
View
Price last confirmed 36 days ago
Retailer 7
-
£724 GBP
View
Price last confirmed 36 days ago
B
Retailer 8
-
£733 GBP
View
B
Retailer 9
-
£733 GBP
View
B
Retailer 10
-
£763 GBP
View
Retailer 11
-
£861 GBP
View
Price last confirmed 27 days ago
B
Retailer 12
-
£875 GBP
View
B
Retailer 13
-
£895 GBP
View
Retailer 14
-
£927 GBP
View
Price last confirmed 27 days ago
Retailer 15
-
£1,040 GBP
View
Price last confirmed 31 days ago
B
Retailer 16
-
£1,067 GBP
View
Retailer 17
-
£1,075 GBP
View
Price last confirmed 31 days ago
Retailer 18
-
£1,279 GBP
View
Price last confirmed 27 days ago
Most Expensive
Flawless Fine Jewelry
C6433724A · Oct 8
£1,389 GBP
View
Price last confirmed 27 days ago
18 more retailers have this diamond
Prices start from £566 GBPSave up to £501 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+
0.45ct Round
£566 GBP