Round|Natural|GIA

0.31ct K VS1 Round Natural Diamond

EX • K/VS1 • GIA 1559003176

Certificate GIA 1559003176

Diamond specifications and retailer prices

From £181 GBP
As of November 6, 2026
Save £302 GBP (63%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £950 GBP at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.31ct natural round diamond

This 0.31ct natural round sits in the sub-half-carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 1559003176. Listed at 13 retailers as of November 4, 2026, with a 167% 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

0.31
Carat
K
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1559003176
Dimensions4.35 × 4.33 × 2.69 mm
L/W Ratio1.00
Key to symbols
Cloud, Pinpoint
Top View
4.35 mm4.33 mm0.31 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559003176
Side View
Table 58.0%Crown 35°Girdle: MediumPavilion 41°Culet: NoneDepth 62.0%

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: £220 GBP|Low: £181 GBP|High: £490 GBP|Avg: £292 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7£181 GBP
Retailer 1£220 GBP
Retailer 10£221 GBP
Retailer 9£234 GBP
Retailer 6£236 GBP
Retailer 3£253 GBP
Retailer 2£266 GBP
Retailer 4£326 GBP
Retailer 8£400 GBP
Retailer 5£483 GBP

39 data points across 10 retailers

13 retailers£181 GBP to £483 GBP

A
Cheapest Retailer
-
£181 GBP
A
Retailer 2
-
£181 GBP
View
A
Retailer 3
-
£220 GBP
View
Retailer 4
-
£226 GBP
View
Price last confirmed 8 days ago
A
Retailer 5
-
£234 GBP
View
A
Retailer 6
-
£236 GBP
View
A
Retailer 7
-
£253 GBP
View
B+
Retailer 8
-
£271 GBP
View
B+
Retailer 9
-
£282 GBP
View
B+
Retailer 10
-
£326 GBP
View
B+
Retailer 11
-
£400 GBP
View
B
Retailer 12
-
£483 GBP
View
Most Expensive
NZ Jewellers
891ac910-0c22-44a5-aa4a-bd2b23d4ee87 · Nov 4
£950 GBP
$1,278 USD
View
Price under review
12 more retailers have this diamond
Prices start from £181 GBPSave up to £302 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
0.31ct Round
£181 GBP