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Marquise|Natural|GIA

1.00ct J SI1 Marquise Natural Diamond

EX • J/SI1 • GIA 1548811201

Certificate GIA 1548811201

Diamond specifications and retailer prices

From €2,347 EUR
As of November 4, 2026
Save €2,691 EUR (53%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €5,037 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-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 1548811201. Listed at 20 retailers as of November 4, 2026, with prices from €2,347 to €5,037, a €2,691 spread on the same certified stone. NZ Jewellers lists it at €5,037. 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

1.00
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1548811201
Dimensions10.08 × 5.19 × 3.14 mm
L/W Ratio1.94
Key to symbols
Feather, Cavity, Indented Natural
Top View
10.08 mm5.19 mm1.00 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1548811201
Side View
Table 58.0%CrownGirdle: MED-ETKPavilionCulet: NoneDepth 60.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: €5,037 EUR|Low: €2,014 EUR|High: €5,037 EUR|Avg: €3,164 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 3€2,347 EUR
Retailer 9€2,418 EUR
Retailer 5€2,562 EUR
Retailer 12€2,620 EUR
Retailer 13€2,620 EUR
Retailer 11€2,720 EUR
Retailer 6€2,992 EUR
Retailer 10€3,100 EUR
Retailer 2€3,167 EUR
Retailer 4€3,218 EUR
Retailer 7€3,529 EUR
Retailer 8€4,822 EUR
NZ Jewellers€5,037 EUR

45 data points across 13 retailers

20 retailers€2,347 EUR to €5,037 EUR

B+
Cheapest Retailer
-
€2,347 EUR
B
Retailer 2
-
€2,418 EUR
View
Final sale: no returns
B
Retailer 3
-
€2,460 EUR
View
B+
Retailer 4
-
€2,562 EUR
View
B
Retailer 5
-
€2,620 EUR
View
Retailer 6
-
€2,620 EUR
View
Price last confirmed 9 days ago
B
Retailer 7
-
€2,720 EUR
View
Retailer 8
-
€2,883 EUR
View
Price last confirmed 67 days ago
B
Retailer 9
-
€2,983 EUR
View
B
Retailer 10
-
€2,983 EUR
View
B
Retailer 11
-
€2,992 EUR
View
B
Retailer 12
-
€3,023 EUR
View
B
Retailer 13
-
€3,081 EUR
View
Retailer 14
-
€3,100 EUR
View
Price last confirmed 34 days ago
B
Retailer 15
-
€3,167 EUR
View
B
Retailer 16
-
€3,218 EUR
View
Retailer 17
-
€3,354 EUR
View
Price last confirmed 15 days ago
B
Retailer 18
-
€3,529 EUR
View
B
Retailer 19
-
€4,822 EUR
View
Most Expensive
B
NZ Jewellers
f36cd918-2cfb-49aa-91f3-8c1954f56ac2 · Nov 5
€5,037 EUR
$5,624 USD
View
19 more retailers have this diamond
Prices start from €2,347 EURSave up to €2,691 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.

B+
1.00ct Marquise
€2,347 EUR