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Round|Natural|GIA

0.31ct J I1 Round Natural Diamond

EX • J/I1 • GIA 1459527320

Certificate GIA 1459527320

Diamond specifications and retailer prices

From $170 SGD
₹12,630 INR
As of November 1, 2026
Save $968 SGD (85%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,138 SGD at NZ Jewellers · As of October 30, 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 J colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 1459527320. Listed at 9 retailers as of October 30, 2026, with prices from $170 to $1,138, a $968 spread on the same certified stone. NZ Jewellers lists it at $1,138. 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
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1459527320
Dimensions4.32 × 4.28 × 2.70 mm
L/W Ratio1.01
Girdle conditionFaceted
Key to symbols
Twinning Wisp, Feather
Top View
4.32 mm4.28 mm0.31 ctJ / I1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1459527320
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.7%

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 1
Current: $1,138 SGD|Low: $169 SGD|High: $1,138 SGD|Avg: $410 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 2$170 SGD
Retailer 7$251 SGD
Retailer 5$252 SGD
Retailer 9$271 SGD
Retailer 4$280 SGD
Retailer 8$337 SGD
Retailer 3$444 SGD
Retailer 6$463 SGD
NZ Jewellers$1,138 SGD

44 data points across 9 retailers

9 retailers$170 SGD to $1,138 SGD

A
Cheapest Retailer
-
$170 SGD
₹12,630 INR
B+
Retailer 2
-
$213 SGD
HK$1,300 HKD
View
B+
Retailer 3
-
$251 SGD
$196 USD
View
B+
Retailer 4
-
$271 SGD
$212 USD
View
B+
Retailer 5
-
$280 SGD
$219 USD
View
B+
Retailer 6
-
$337 SGD
$264 USD
View
B+
Retailer 7
-
$444 SGD
€331 EUR
View
B
Retailer 8
-
$463 SGD
$362 USD
View
Most Expensive
C
NZ Jewellers
419dfbcd-3b25-4fa2-91ac-1c1db51e76f3 · Oct 30
$1,138 SGD
$890 USD
View
8 more retailers have this diamond
Prices start from $170 SGDSave up to $968 SGD

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
$170 SGD