Round|Natural|GIA

0.31ct I VS1 Round Natural Diamond

EX • I/VS1 • GIA 2518748539

Certificate GIA 2518748539

Diamond specifications and retailer prices

From $290 USD
As of October 31, 2026
Save $475 USD (62%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,268 USD at NZ Jewellers · As of October 17, 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 I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 2518748539. Listed at 16 retailers as of October 31, 2026, with a 164% 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
I
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2518748539
Dimensions4.34 × 4.32 × 2.67 mm
L/W Ratio1.00
Top View
4.34 mm4.32 mm0.31 ctI / VS1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 2518748539
Side View
Table 57.0%Crown 35°Girdle: Sli. ThickPavilion 40.6°Culet: NoneDepth 61.8%

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: Oct 31
Current: $1,268 USD|Low: $290 USD|High: $1,268 USD|Avg: $546 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 13$290 USD
Retailer 10$331 USD
Retailer 5$363 USD
Retailer 4$376 USD
Retailer 6$425 USD
Retailer 9$445 USD
Retailer 12$482 USD
Retailer 8$513 USD
Retailer 3$540 USD
Retailer 7$617 USD
Retailer 11$732 USD
Retailer 2$765 USD
NZ Jewellers$1,268 USD

45 data points across 13 retailers

16 retailers$290 USD to $765 USD

A
Cheapest Retailer
-
$290 USD
Retailer 2
-
$294 USD
HK$2,300 HKD
View
Price last confirmed 53 days ago
Retailer 3
-
$331 USD
View
Price last confirmed 15 days ago
Retailer 4
-
$363 USD
View
Price last confirmed 16 days ago
Retailer 5
-
$376 USD
View
Price last confirmed 17 days ago
B+
Retailer 6
-
$425 USD
£335 GBP
View
Retailer 7
-
$445 USD
View
Price last confirmed 14 days ago
B+
Retailer 8
-
$476 USD
View
B+
Retailer 9
-
$482 USD
View
B+
Retailer 10
-
$513 USD
ZAR 8,289 ZAR
View
B+
Retailer 11
-
$523 USD
View
Retailer 12
-
$540 USD
A$831 AUD
View
Price last confirmed 28 days ago
B+
Retailer 13
-
$617 USD
€588 EUR
View
B
Retailer 14
-
$732 USD
£576 GBP
View
B
Retailer 15
-
$765 USD
£602 GBP
View
Most Expensive
NZ Jewellers
1080ca4d-92c5-4989-8fea-423147a8ae54 · Oct 17
$1,268 USD
View
Price last confirmed 15 days ago
15 more retailers have this diamond
Prices start from $290 USDSave up to $475 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
$290 USD