Round|Natural|GIA

0.31ct K VS1 Round Natural Diamond

EX • K/VS1 • GIA 1559003176

Certificate GIA 1559003176

Diamond specifications and retailer prices

From $243 USD
As of November 6, 2026
Save $407 USD (63%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,278 USD 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
Color
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: $296 USD|Low: $244 USD|High: $659 USD|Avg: $394 USD
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$244 USD
Retailer 1$296 USD
Retailer 10$298 USD
Retailer 9$315 USD
Retailer 6$317 USD
Retailer 3$340 USD
Retailer 2$358 USD
Retailer 4$439 USD
Retailer 8$538 USD
Retailer 5$650 USD

39 data points across 10 retailers

13 retailers$243 USD to $650 USD

A
Cheapest Retailer
-
$243 USD
A
Retailer 2
-
$244 USD
View
A
Retailer 3
-
$296 USD
View
Retailer 4
-
$304 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$315 USD
View
A
Retailer 6
-
$317 USD
View
A
Retailer 7
-
$340 USD
View
B+
Retailer 8
-
$365 USD
View
B+
Retailer 9
-
$380 USD
View
B+
Retailer 10
-
$439 USD
View
B+
Retailer 11
-
$538 USD
View
B
Retailer 12
-
$650 USD
View
Most Expensive
NZ Jewellers
891ac910-0c22-44a5-aa4a-bd2b23d4ee87 · Nov 4
$1,278 USD
View
Price under review
12 more retailers have this diamond
Prices start from $243 USDSave up to $407 USD

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
$243 USD