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Marquise|Natural|GIA

1.20ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 6555380367

Certificate GIA 6555380367

Diamond specifications and retailer prices

From €4,459 EUR
As of November 6, 2026
Save €5,581 EUR (56%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €10,040 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555380367. Listed at 18 retailers as of November 5, 2026, with prices from €4,459 to €10,040, a €5,581 spread on the same certified stone. NZ Jewellers lists it at €10,040. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6555380367
Dimensions11.02 × 5.41 × 3.46 mm
L/W Ratio2.04
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle, Indented Natural
Top View
11.02 mm5.41 mm1.20 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6555380367
Side View
Table 57.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 63.9%

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: €6,521 EUR|Low: €4,414 EUR|High: €8,950 EUR|Avg: €6,333 EUR|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5€4,459 EUR
Retailer 7€5,541 EUR
Retailer 2€5,701 EUR
Retailer 6€5,859 EUR
Retailer 1€6,521 EUR
Retailer 3€7,325 EUR
Retailer 4€8,820 EUR

46 data points across 7 retailers

18 retailers€4,459 EUR to €10,040 EUR

B+
Cheapest Retailer
-
€4,459 EUR
B+
Retailer 2
-
€5,079 EUR
View
Retailer 3
-
€5,083 EUR
View
Price last confirmed 23 days ago
B+
Retailer 4
-
€5,235 EUR
View
B
Retailer 5
-
€5,541 EUR
View
Final sale: no returns
Retailer 6
-
€5,541 EUR
View
Price last confirmed 8 days ago
B
Retailer 7
-
€5,571 EUR
View
B+
Retailer 8
-
€5,701 EUR
View
Retailer 9
-
€5,859 EUR
View
Price last confirmed 25 days ago
B
Retailer 10
-
€6,004 EUR
View
B
Retailer 11
-
€6,096 EUR
View
B
Retailer 12
-
€6,145 EUR
View
B
Retailer 13
-
€6,521 EUR
View
Retailer 14
-
€6,927 EUR
View
Price last confirmed 61 days ago
B
Retailer 15
-
€6,927 EUR
View
B
Retailer 16
-
€7,325 EUR
View
B
Retailer 17
-
€8,820 EUR
View
Most Expensive
B
NZ Jewellers
0bcfb9a2-8027-4021-b8ae-6ab190999d2e · Nov 5
€10,040 EUR
$11,210 USD
View
17 more retailers have this diamond
Prices start from €4,459 EURSave up to €5,581 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
€4,459 EUR