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Marquise|Natural|GIA

0.30ct J SI2 Marquise Natural Diamond

EX • J/SI2 • GIA 2554550321

Certificate GIA 2554550321

Diamond specifications and retailer prices

From €137 EUR
₹14,620 INR
As of November 2, 2026
Save €318 EUR (70%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €455 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 0.3ct natural marquise diamond

This 0.3ct natural marquise sits in the sub-half-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2554550321. Listed at 9 retailers as of November 1, 2026, with prices from €137 to €455, a €318 spread on the same certified stone. MOH London lists it at €455. 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
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2554550321
Dimensions6.51 × 3.54 × 2.22 mm
L/W Ratio1.84
Girdle conditionThick to Very Thick
Key to symbols
Crystal
Top View
6.51 mm3.54 mm0.30 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2554550321
Side View
Table 63.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 62.8%

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: €455 EUR|Low: €137 EUR|High: €531 EUR|Avg: €295 EUR|-13.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 2€137 EUR
Retailer 5€171 EUR
Retailer 6€212 EUR
Retailer 4€239 EUR
Retailer 3€424 EUR
MOH London€455 EUR

46 data points across 6 retailers

9 retailers€137 EUR to €455 EUR

A
Cheapest Retailer
-
€137 EUR
₹14,620 INR
A
Retailer 2
-
€171 EUR
HK$1,500 HKD
View
Retailer 3
-
€212 EUR
SGD 321 SGD
View
Price last confirmed 8 days ago
Retailer 4
-
€227 EUR
$255 USD
View
Price last confirmed 26 days ago
Retailer 5
-
€238 EUR
$267 USD
View
Price last confirmed 32 days ago
B+
Retailer 6
-
€239 EUR
$268 USD
View
B
Retailer 7
-
€424 EUR
£375 GBP
View
Most Expensive
B
MOH London
17AE8BCF9 · Nov 1
€455 EUR
£402 GBP
View
7 more retailers have this diamond
Prices start from €137 EURSave up to €318 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
€137 EUR