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Marquise|Natural|GIA

1.20ct I SI2 Marquise Natural Diamond

ID • I/SI2 • GIA 6541821320

Certificate GIA 6541821320

Diamond specifications and retailer prices

From €3,007 EUR
As of November 6, 2026
Save €4,169 EUR (58%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €7,176 EUR at NZ Jewellers · As of November 5, 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 I 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 6541821320. Listed at 22 retailers as of November 5, 2026, with prices from €3,007 to €7,176, a €4,169 spread on the same certified stone. NZ Jewellers lists it at €7,176. 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
I
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.17°
Pavilion angle41.24°
OriginNatural
Grading LabGIA
CertificateGIA 6541821320
Dimensions10.31 × 5.49 × 3.59 mm
L/W Ratio1.88
Top View
10.31 mm5.49 mm1.20 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6541821320
Side View
Table 57.0%Crown 38.17°Girdle: Slightly ThickPavilion 41.24°Culet: NoneDepth 65.3%

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 6
Current: €7,176 EUR|Low: €3,007 EUR|High: €7,176 EUR|Avg: €4,369 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
Retailer 14
Retailer 15
November 7, 2026
Retailer 10€3,007 EUR
Retailer 6€3,283 EUR
Retailer 11€3,341 EUR
Retailer 4€3,399 EUR
Retailer 5€3,444 EUR
Retailer 3€3,731 EUR
Retailer 14€3,731 EUR
Retailer 15€3,731 EUR
Retailer 7€3,810 EUR
Retailer 8€4,050 EUR
Retailer 2€4,056 EUR
Retailer 13€4,305 EUR
Retailer 9€4,635 EUR
Retailer 12€6,561 EUR
NZ Jewellers€7,176 EUR

35 data points across 15 retailers

22 retailers€3,007 EUR to €7,176 EUR

B+
Cheapest Retailer
-
€3,007 EUR
B+
Retailer 2
-
€3,283 EUR
View
B+
Retailer 3
-
€3,341 EUR
View
B+
Retailer 4
-
€3,399 EUR
View
B+
Retailer 5
-
€3,444 EUR
View
Final sale: no returns
B
Retailer 6
-
€3,717 EUR
View
Retailer 7
-
€3,731 EUR
View
Price last confirmed 9 days ago
B
Retailer 8
-
€3,731 EUR
View
B
Retailer 9
-
€3,731 EUR
View
Retailer 10
-
€3,731 EUR
View
Price last confirmed 30 days ago
B
Retailer 11
-
€3,810 EUR
View
B
Retailer 12
-
€4,039 EUR
View
B
Retailer 13
-
€4,039 EUR
View
B+
Retailer 14
-
€4,050 EUR
View
B+
Retailer 15
-
€4,056 EUR
View
B
Retailer 16
-
€4,174 EUR
View
B
Retailer 17
-
€4,305 EUR
View
Retailer 18
-
€4,305 EUR
View
Price last confirmed 24 days ago
B
Retailer 19
-
€4,635 EUR
View
Retailer 20
-
€4,657 EUR
View
Price last confirmed 23 days ago
B
Retailer 21
-
€6,561 EUR
View
Most Expensive
B
NZ Jewellers
fb7d9bd2-31bc-48ef-bd72-849a60980f7e · Nov 5
€7,176 EUR
$8,012 USD
View
21 more retailers have this diamond
Prices start from €3,007 EURSave up to €4,169 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+
1.20ct Marquise
€3,007 EUR