Round|Natural|GIA

0.30ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2245054056

Certificate GIA 2245054056

Diamond specifications and retailer prices

From $183 USD
₹17,473 INR
As of November 1, 2026
Save $845 USD (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,029 USD at MOH London · As of November 1, 2026
View at MOH London

About this 0.3ct natural round diamond

This 0.3ct natural round sits in the sub-half-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2245054056. Listed at 12 retailers as of November 1, 2026, with prices from $183 to $1,029, a $845 spread on the same certified stone. MOH London lists it at $1,029. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.30
Carat
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2245054056
Dimensions4.31 × 4.34 × 2.61 mm
L/W Ratio1.01
Culet sizeNone
Top View
4.31 mm4.34 mm0.30 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2245054056
Side View
Table 59.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 60.4%

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: $1,029 USD|Low: $183 USD|High: $1,029 USD|Avg: $384 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 2$183 USD
Retailer 8$280 USD
Retailer 10$311 USD
Retailer 11$421 USD
Retailer 4$432 USD
Retailer 3$441 USD
Retailer 12$445 USD
Retailer 6$445 USD
Retailer 9$621 USD
Retailer 5$633 USD
Retailer 7$901 USD
MOH London$1,029 USD

41 data points across 12 retailers

12 retailers$183 USD to $1,029 USD

A
Cheapest Retailer
-
$183 USD
₹17,473 INR
A
Retailer 2
-
$280 USD
View
B+
Retailer 3
-
$311 USD
A$478 AUD
View
B+
Retailer 4
-
$421 USD
View
B+
Retailer 5
-
$432 USD
ZAR 6,978 ZAR
View
B+
Retailer 6
-
$441 USD
£347 GBP
View
B
Retailer 7
-
$445 USD
View
B+
Retailer 8
-
$445 USD
€424 EUR
View
B
Retailer 9
-
$621 USD
View
B
Retailer 10
-
$633 USD
View
B
Retailer 11
-
$901 USD
£710 GBP
View
Most Expensive
B
MOH London
948968C6C · Nov 1
$1,029 USD
£810 GBP
View
11 more retailers have this diamond
Prices start from $183 USDSave up to $845 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
0.30ct Round
$183 USD