Round|Natural|GIA

0.30ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2245054056

Certificate GIA 2245054056

Diamond specifications and retailer prices

From €164 EUR
₹17,477 INR
As of October 31, 2026
Save €757 EUR (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €921 EUR 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 October 31, 2026, with prices from €164 to €921, a €757 spread on the same certified stone. MOH London lists it at €921. 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: Oct 31
Current: €921 EUR|Low: €164 EUR|High: €921 EUR|Avg: €342 EUR
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 12€164 EUR
Retailer 7€251 EUR
Retailer 9€278 EUR
Retailer 10€377 EUR
Retailer 4€387 EUR
Retailer 3€395 EUR
Retailer 11€398 EUR
Retailer 5€398 EUR
Retailer 8€556 EUR
Retailer 2€566 EUR
Retailer 6€807 EUR
MOH London€921 EUR

42 data points across 12 retailers

12 retailers€164 EUR to €921 EUR

A
Cheapest Retailer
-
€164 EUR
₹17,477 INR
A
Retailer 2
-
€251 EUR
$280 USD
View
B+
Retailer 3
-
€278 EUR
A$478 AUD
View
B+
Retailer 4
-
€377 EUR
$421 USD
View
B+
Retailer 5
-
€387 EUR
ZAR 6,978 ZAR
View
B+
Retailer 6
-
€395 EUR
£347 GBP
View
B
Retailer 7
-
€398 EUR
$445 USD
View
B+
Retailer 8
-
€398 EUR
View
B
Retailer 9
-
€556 EUR
$621 USD
View
B
Retailer 10
-
€566 EUR
$633 USD
View
B
Retailer 11
-
€807 EUR
£710 GBP
View
Most Expensive
B
MOH London
948968C6C · Nov 1
€921 EUR
£810 GBP
View
11 more retailers have this diamond
Prices start from €164 EURSave up to €757 EUR

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
€164 EUR