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Marquise|Natural|GIA

4.30ct J SI1 Marquise Natural Diamond

EX • J/SI1 • GIA 5241010869

Certificate GIA 5241010869

Diamond specifications and retailer prices

From €28,004 EUR
$31,286 USD
As of October 31, 2026
Save €25,996 EUR (48%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €54,000 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 4.3ct natural marquise diamond

This 4.3ct natural marquise sits in the three to five carat band, graded J 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 5241010869. Listed at 11 retailers as of October 31, 2026, with prices from €28,004 to €54,000, a €25,996 spread on the same certified stone. MOH London lists it at €54,000. 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

4.30
Carat
J
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 5241010869
Dimensions16.07 × 8.05 × 4.53 mm
L/W Ratio2.00
Culet sizeLarge
Top View
16.07 mm8.05 mm4.30 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 5241010869
Side View
Table 62.0%CrownGirdle: MED-THKPavilionCulet: LargeDepth 56.3%

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: €54,000 EUR|Low: €28,004 EUR|High: €80,896 EUR|Avg: €37,876 EUR|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 9€28,004 EUR
Retailer 6€31,479 EUR
Retailer 7€33,543 EUR
Retailer 5€34,576 EUR
Retailer 3€34,844 EUR
Retailer 8€35,815 EUR
Retailer 2€40,575 EUR
Retailer 4€43,329 EUR
MOH London€54,000 EUR

19 data points across 9 retailers

11 retailers€28,004 EUR to €54,000 EUR

A
Cheapest Retailer
-
€28,004 EUR
$31,286 USD
A
Retailer 2
-
€31,479 EUR
$35,169 USD
View
A
Retailer 3
-
€33,543 EUR
$37,475 USD
View
B+
Retailer 4
-
€34,576 EUR
$38,628 USD
View
A
Retailer 5
-
€34,844 EUR
£30,652 GBP
View
B+
Retailer 6
-
€35,815 EUR
$40,013 USD
View
B+
Retailer 7
-
€37,458 EUR
$41,848 USD
View
B+
Retailer 8
-
€38,898 EUR
$43,457 USD
View
B+
Retailer 9
-
€40,575 EUR
View
B+
Retailer 10
-
€43,329 EUR
ZAR 782,023 ZAR
View
Most Expensive
B
MOH London
91170AC16 · Nov 1
€54,000 EUR
£47,503 GBP
View
10 more retailers have this diamond
Prices start from €28,004 EURSave up to €25,996 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
4.30ct Marquise
€28,004 EUR