Round|Natural|GIA

0.51ct K VS2 Round Natural Diamond

EX • K/VS2 • GIA 3485288988

Certificate GIA 3485288988

Diamond specifications and retailer prices

From £272 GBP
As of November 5, 2026
Save £1,152 GBP (81%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,424 GBP at NZ Jewellers · As of October 20, 2026
View at NZ Jewellers

About this 0.51ct natural round diamond

This 0.51ct natural round sits in the half to three-quarter carat band, graded K colour (faint-tinted) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 3485288988. Listed at 21 retailers as of November 4, 2026, with a 423% 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

0.51
Carat
K
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 3485288988
Dimensions5.13 × 5.16 × 3.17 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
5.13 mm5.16 mm0.51 ctK / VS2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3485288988
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.6%

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 5
Current: £1,424 GBP|Low: £272 GBP|High: £1,424 GBP|Avg: £654 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 4£272 GBP
Retailer 8£400 GBP
Retailer 2£455 GBP
Retailer 3£467 GBP
Retailer 9£520 GBP
Retailer 6£556 GBP
Retailer 5£576 GBP
Retailer 7£857 GBP
Retailer 10£893 GBP
NZ Jewellers£1,424 GBP

37 data points across 10 retailers

21 retailers£272 GBP to £1,424 GBP

A
Cheapest Retailer
-
£272 GBP
Retailer 2
-
£314 GBP
View
Price last confirmed 63 days ago
A
Retailer 3
-
£351 GBP
View
Retailer 4
-
£371 GBP
View
Price last confirmed 44 days ago
Retailer 5
-
£371 GBP
View
Price last confirmed 17 days ago
Retailer 6
-
£400 GBP
View
Price last confirmed 21 days ago
B+
Retailer 7
-
£429 GBP
View
Retailer 8
-
£429 GBP
View
Price last confirmed 45 days ago
B+
Retailer 9
-
£429 GBP
View
B+
Retailer 10
-
£455 GBP
View
B+
Retailer 11
-
£467 GBP
View
B+
Retailer 12
-
£469 GBP
View
B+
Retailer 13
-
£520 GBP
View
B+
Retailer 14
-
£556 GBP
View
B+
Retailer 15
-
£576 GBP
View
B
Retailer 16
-
£857 GBP
View
Retailer 17
-
£893 GBP
View
Price last confirmed 16 days ago
Retailer 18
-
£932 GBP
View
Price last confirmed 15 days ago
Retailer 19
-
£1,424 GBP
View
Price last confirmed 46 days ago
B
Retailer 20
-
£1,424 GBP
View
Most Expensive
NZ Jewellers
866b641c-21df-4c10-b4b8-690e08fa1b7c · Oct 20
£1,424 GBP
$1,916 USD
View
Price last confirmed 17 days ago
20 more retailers have this diamond
Prices start from £272 GBPSave up to £1,152 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
0.51ct Round
£272 GBP