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Marquise|Natural|GIA

1.20ct J SI1 Marquise Natural Diamond

ID • J/SI1 • GIA 6552516815

Certificate GIA 6552516815

Diamond specifications and retailer prices

From €1,924 EUR
$2,150 USD
As of November 1, 2026
Save €3,099 EUR (62%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €5,023 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.2ct natural marquise diamond

This 1.2ct 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 6552516815. Listed at 23 retailers as of October 30, 2026, with prices from €1,924 to €5,023, a €3,099 spread on the same certified stone. NZ Jewellers lists it at €5,023. 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

1.20
Carat
J
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6552516815
Dimensions10.47 × 5.51 × 3.50 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Indented Natural, Needle, Extra Facet
Top View
10.47 mm5.51 mm1.20 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6552516815
Side View
Table 61.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 63.6%

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 1
Current: €5,023 EUR|Low: €1,910 EUR|High: €5,122 EUR|Avg: €2,579 EUR|-1.9%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 2, 2026
Retailer 14€1,910 EUR
Retailer 15€1,924 EUR
Retailer 9€2,009 EUR
Retailer 3€2,022 EUR
Retailer 19€2,168 EUR
Retailer 6€2,177 EUR
Retailer 8€2,177 EUR
Retailer 12€2,181 EUR
Retailer 21€2,184 EUR
Retailer 10€2,214 EUR
Retailer 5€2,218 EUR
Retailer 7€2,277 EUR
Retailer 16€2,344 EUR
Retailer 20€2,434 EUR
Retailer 11€2,512 EUR
Retailer 13€2,547 EUR
Retailer 18€2,953 EUR
Retailer 2€3,000 EUR
Retailer 4€3,724 EUR
Retailer 17€4,209 EUR
NZ Jewellers€5,023 EUR

20 data points across 21 retailers

23 retailers€1,924 EUR to €5,023 EUR

Retailer 1
-
€1,910 EUR
₹203,216 INR
Price last confirmed 11 days ago
A
Retailer 2
-
€1,924 EUR
$2,150 USD
View
B+
Retailer 3
-
€2,009 EUR
$2,245 USD
View
Final sale: no returns
A
Retailer 4
-
€2,022 EUR
$2,259 USD
View
A
Retailer 5
-
€2,168 EUR
$2,422 USD
View
A
Retailer 6
-
€2,177 EUR
$2,432 USD
View
A
Retailer 7
-
€2,177 EUR
$2,432 USD
View
B+
Retailer 8
-
€2,181 EUR
$2,437 USD
View
B+
Retailer 9
-
€2,184 EUR
$2,440 USD
View
B+
Retailer 10
-
€2,214 EUR
$2,474 USD
View
B+
Retailer 11
-
€2,218 EUR
$2,478 USD
View
B+
Retailer 12
-
€2,277 EUR
$2,544 USD
View
B+
Retailer 13
-
€2,344 EUR
£2,062 GBP
View
B+
Retailer 14
-
€2,434 EUR
$2,719 USD
View
B+
Retailer 15
-
€2,512 EUR
$2,806 USD
View
B+
Retailer 16
-
€2,547 EUR
£2,241 GBP
View
B+
Retailer 17
-
€2,559 EUR
A$4,398 AUD
View
Retailer 18
-
€2,745 EUR
A$4,718 AUD
View
Price last confirmed 25 days ago
B
Retailer 19
-
€2,953 EUR
ZAR 53,305 ZAR
View
B+
Retailer 20
-
€3,000 EUR
View
B
Retailer 21
-
€3,724 EUR
$4,160 USD
View
B
Retailer 22
-
€4,209 EUR
£3,703 GBP
View
Most Expensive
B
NZ Jewellers
e078e873-9f50-4920-a8bd-3bfb5172cd0b · Oct 30
€5,023 EUR
$5,612 USD
View
22 more retailers have this diamond
Prices start from €1,924 EURSave up to €3,099 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
1.20ct Marquise
€1,924 EUR