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Round|Natural|GIA

0.31ct J I1 Round Natural Diamond

EX • J/I1 • GIA 1559255202

Certificate GIA 1559255202

Diamond specifications and retailer prices

From $116 USD
₹11,018 INR
As of October 31, 2026
Save $254 USD (69%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $370 USD at Yorxs · As of October 30, 2026
View at Yorxs

About this 0.31ct natural round diamond

This 0.31ct natural round sits in the sub-half-carat band, graded J colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 1559255202. Listed at 5 retailers as of October 30, 2026, with prices from $116 to $370, a $254 spread on the same certified stone. Yorxs lists it at $370. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.31
Carat
J
Color
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1559255202
Dimensions4.35 × 4.38 × 2.67 mm
L/W Ratio1.01
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather
Top View
4.35 mm4.38 mm0.31 ctJ / I1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1559255202
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.1%

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: $116 USD|Low: $103 USD|High: $370 USD|Avg: $237 USD|-5.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Yorxs
October 31, 2026
Retailer 1$116 USD
Retailer 4$154 USD
Retailer 2$219 USD
Retailer 3$359 USD
Yorxs$370 USD

39 data points across 5 retailers

5 retailers$116 USD to $370 USD

A
Cheapest Retailer
-
$116 USD
₹11,018 INR
B+
Retailer 2
-
$154 USD
HK$1,200 HKD
View
B+
Retailer 3
-
$219 USD
View
B
Retailer 4
-
$359 USD
View
Most Expensive
B
Yorxs
89852E564 · Oct 30
$370 USD
€352 EUR
View
4 more retailers have this diamond
Prices start from $116 USDSave up to $254 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
$116 USD