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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 $447 CAD
$320 USD
As of October 31, 2026
Save $396 CAD (47%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $843 CAD at Yorxs · As of October 31, 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 October 31, 2026, with prices from $447 to $843, a $396 spread on the same certified stone. Yorxs lists it at $843. 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
Color
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: Oct 31
Current: $638 CAD|Low: $447 CAD|High: $845 CAD|Avg: $610 CAD|+6.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Yorxs
November 1, 2026
Retailer 8$447 CAD
Retailer 9$477 CAD
Retailer 2$496 CAD
Retailer 5$557 CAD
Retailer 3$613 CAD
Retailer 6$620 CAD
Retailer 1$638 CAD
Retailer 4$668 CAD
Retailer 7$708 CAD
Yorxs$843 CAD

10 data points across 10 retailers

11 retailers$447 CAD to $843 CAD

A
Cheapest Retailer
-
$447 CAD
$320 USD
B+
Retailer 2
-
$477 CAD
SGD 461 SGD
View
B+
Retailer 3
-
$496 CAD
$355 USD
View
B+
Retailer 4
-
$540 CAD
SGD 522 SGD
View
B+
Retailer 5
-
$557 CAD
$399 USD
View
B
Retailer 6
-
$613 CAD
£345 GBP
View
B
Retailer 7
-
$620 CAD
$444 USD
View
B
Retailer 8
-
$638 CAD
£360 GBP
View
B
Retailer 9
-
$668 CAD
$478 USD
View
B
Retailer 10
-
$708 CAD
$507 USD
View
Most Expensive
B
Yorxs
622050056 · Oct 31
$843 CAD
€575 EUR
View
10 more retailers have this diamond
Prices start from $447 CADSave up to $396 CAD

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
$447 CAD