Round|Natural|GIA

0.31ct K VS1 Round Natural Diamond

EX • K/VS1 • GIA 6551214028

Certificate GIA 6551214028

Diamond specifications and retailer prices

From $157 USD
As of November 4, 2026
Save $358 USD (70%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,127 USD at NZ Jewellers · As of September 28, 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 6551214028. Listed at 16 retailers as of November 2, 2026, with a 228% 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
FluorescenceFaint
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6551214028
Dimensions4.32 × 4.34 × 2.69 mm
L/W Ratio1.00
Top View
4.32 mm4.34 mm0.31 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6551214028
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.0%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: $166 USD|Low: $157 USD|High: $572 USD|Avg: $324 USD|-10.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 4, 2026
Retailer 5$157 USD
Retailer 1$166 USD
Retailer 7$192 USD
Retailer 2$247 USD
Retailer 3$247 USD
Retailer 9$275 USD
Retailer 4$292 USD
Retailer 8$332 USD
Retailer 6$345 USD
Retailer 11$353 USD
Retailer 12$396 USD
Retailer 10$515 USD

28 data points across 12 retailers

16 retailers$157 USD to $515 USD

A
Cheapest Retailer
-
$157 USD
A
Retailer 2
-
$166 USD
View
A
Retailer 3
-
$192 USD
View
Retailer 4
-
$247 USD
View
Price last confirmed 36 days ago
Retailer 5
-
$247 USD
View
Price last confirmed 8 days ago
Retailer 6
-
$247 USD
View
Price last confirmed 10 days ago
A
Retailer 7
-
$275 USD
View
Retailer 8
-
$278 USD
View
Price last confirmed 38 days ago
A
Retailer 9
-
$292 USD
View
A
Retailer 10
-
$332 USD
View
Retailer 11
-
$335 USD
View
Price last confirmed 38 days ago
A
Retailer 12
-
$345 USD
View
A
Retailer 13
-
$353 USD
View
B+
Retailer 14
-
$396 USD
View
B+
Retailer 15
-
$515 USD
View
Most Expensive
NZ Jewellers
db3c6c8d-5105-44c7-9730-78a8e3240cc0 · Sep 28
$1,127 USD
View
Price last confirmed 39 days ago
15 more retailers have this diamond
Prices start from $157 USDSave up to $358 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
$157 USD