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Round|Natural|GIA

0.30ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 1487759873

Certificate GIA 1487759873

Diamond specifications and retailer prices

From €118 EUR
$132 USD
As of October 31, 2026
Save €431 EUR (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €549 EUR at NZ Jewellers · As of October 29, 2026
View at NZ Jewellers

About this 0.3ct natural round diamond

This 0.3ct natural round sits in the sub-half-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1487759873. Listed at 8 retailers as of October 29, 2026, with prices from €118 to €549, a €431 spread on the same certified stone. NZ Jewellers lists it at €549. 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
I
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1487759873
Dimensions4.32 × 4.28 × 2.64 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Girdle conditionFaceted
Key to symbols
Twinning Wisp
Top View
4.32 mm4.28 mm0.30 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1487759873
Side View
Table 59.0%Crown 35°Girdle: MED-MEDPavilion 40.8°Culet: NoneDepth 61.4%

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: €549 EUR|Low: €118 EUR|High: €564 EUR|Avg: €252 EUR|-2.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 3€118 EUR
Retailer 5€131 EUR
Retailer 6€135 EUR
Retailer 4€161 EUR
Retailer 7€283 EUR
Retailer 2€315 EUR
NZ Jewellers€549 EUR

18 data points across 7 retailers

8 retailers€118 EUR to €549 EUR

A
Cheapest Retailer
-
€118 EUR
$132 USD
A
Retailer 2
-
€131 EUR
$146 USD
View
A
Retailer 3
-
€135 EUR
$151 USD
View
A
Retailer 4
-
€161 EUR
$180 USD
View
Retailer 5
-
€283 EUR
£249 GBP
View
Price last confirmed 40 days ago
A
Retailer 6
-
€315 EUR
$352 USD
View
B
Retailer 7
-
€405 EUR
£356 GBP
View
Most Expensive
B
NZ Jewellers
ad0f5fef-b9cb-4e53-b0e6-d7e2539286c4 · Oct 29
€549 EUR
$613 USD
View
7 more retailers have this diamond
Prices start from €118 EURSave up to €431 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
€118 EUR