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Marquise|Natural|GIA

0.30ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 2566688552

Certificate GIA 2566688552

Diamond specifications and retailer prices

From €285 EUR
$320 USD
As of November 2, 2026
Save €254 EUR (47%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €539 EUR at Yorxs · As of November 2, 2026
View at Yorxs

About this 0.3ct natural marquise diamond

This 0.3ct natural marquise sits in the sub-half-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2566688552. Listed at 11 retailers as of November 2, 2026, with prices from €285 to €539, a €254 spread on the same certified stone. Yorxs lists it at €539. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle40.11°
Pavilion angle40.41°
OriginNatural
Grading LabGIA
CertificateGIA 2566688552
Dimensions7.05 × 3.37 × 2.17 mm
L/W Ratio2.09
Culet sizeNone
Top View
7.05 mm3.37 mm0.30 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2566688552
Side View
Table 58.0%Crown 40.11°Girdle: MED-VTKPavilion 40.41°Culet: NoneDepth 64.6%

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 2
Current: €407 EUR|Low: €285 EUR|High: €539 EUR|Avg: €389 EUR|+6.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Yorxs
November 3, 2026
Retailer 8€285 EUR
Retailer 9€304 EUR
Retailer 2€317 EUR
Retailer 5€356 EUR
Retailer 3€391 EUR
Retailer 6€396 EUR
Retailer 1€407 EUR
Retailer 4€426 EUR
Retailer 7€452 EUR
Yorxs€539 EUR

12 data points across 10 retailers

11 retailers€285 EUR to €539 EUR

A
Cheapest Retailer
-
€285 EUR
$320 USD
B+
Retailer 2
-
€304 EUR
SGD 461 SGD
View
B+
Retailer 3
-
€317 EUR
$355 USD
View
B+
Retailer 4
-
€344 EUR
SGD 522 SGD
View
B+
Retailer 5
-
€356 EUR
$399 USD
View
B
Retailer 6
-
€391 EUR
£345 GBP
View
B
Retailer 7
-
€396 EUR
$444 USD
View
B
Retailer 8
-
€407 EUR
£360 GBP
View
B
Retailer 9
-
€426 EUR
$478 USD
View
Retailer 10
-
€452 EUR
$507 USD
View
Price last confirmed 7 days ago
Most Expensive
B
Yorxs
622050056 · Nov 2
€539 EUR
View
10 more retailers have this diamond
Prices start from €285 EURSave up to €254 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 Marquise
€285 EUR