Marquise|Natural|GIA

1.20ct D SI1 Marquise Natural Diamond

VG • D/SI1 • GIA 1548559371

Certificate GIA 1548559371

Diamond specifications and retailer prices

From €4,406 EUR
As of November 4, 2026
Save €4,415 EUR (50%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: €10,040 EUR at NZ Jewellers · As of September 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 D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 1548559371. Listed at 27 retailers as of November 4, 2026, with a 100% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.20
Carat
D
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle39.91°
Pavilion angle41.77°
OriginNatural
Grading LabGIA
CertificateGIA 1548559371
Dimensions10.17 × 5.48 × 3.60 mm
L/W Ratio1.86
Culet sizeNone
Top View
10.17 mm5.48 mm1.20 ctD / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1548559371
Side View
Table 62.0%Crown 39.91°Girdle: STK-VTKPavilion 41.77°Culet: NoneDepth 65.7%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: €5,824 EUR|Low: €3,955 EUR|High: €8,950 EUR|Avg: €5,954 EUR|-0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
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Retailer 24
November 6, 2026
Retailer 21€4,406 EUR
Retailer 5€4,690 EUR
Retailer 3€4,743 EUR
Retailer 23€4,746 EUR
Retailer 4€4,805 EUR
Retailer 22€5,019 EUR
Retailer 6€5,069 EUR
Retailer 17€5,362 EUR
Retailer 16€5,438 EUR
Retailer 13€5,529 EUR
Retailer 2€5,602 EUR
Retailer 10€5,616 EUR
Retailer 18€5,701 EUR
Retailer 1€5,824 EUR
Retailer 24€5,881 EUR
Retailer 7€6,055 EUR
Retailer 9€6,055 EUR
Retailer 15€6,145 EUR
Retailer 12€6,165 EUR
Retailer 8€6,261 EUR
Retailer 19€7,325 EUR
Retailer 14€8,135 EUR
Retailer 11€8,701 EUR
Retailer 20€8,820 EUR

23 data points across 24 retailers

27 retailers€4,406 EUR to €8,820 EUR

B+
Cheapest Retailer
-
€4,406 EUR
B+
Retailer 2
-
€4,690 EUR
View
B
Retailer 3
-
€4,743 EUR
View
B
Retailer 4
-
€4,746 EUR
View
B
Retailer 5
-
€4,805 EUR
View
B+
Retailer 6
-
€4,931 EUR
View
B+
Retailer 7
-
€5,019 EUR
View
Final sale: no returns
B+
Retailer 8
-
€5,069 EUR
View
B
Retailer 9
-
€5,362 EUR
View
Retailer 10
-
€5,438 EUR
View
Price last confirmed 36 days ago
Retailer 11
-
€5,438 EUR
View
Price last confirmed 36 days ago
B
Retailer 12
-
€5,529 EUR
View
B
Retailer 13
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€5,602 EUR
View
Retailer 14
-
€5,616 EUR
View
Price last confirmed 36 days ago
B
Retailer 15
-
€5,701 EUR
View
B
Retailer 16
-
€5,824 EUR
View
Retailer 17
-
€5,881 EUR
View
Price last confirmed 35 days ago
B
Retailer 18
-
€6,055 EUR
View
B
Retailer 19
-
€6,055 EUR
View
B
Retailer 20
-
€6,145 EUR
View
B
Retailer 21
-
€6,165 EUR
View
B
Retailer 22
-
€6,261 EUR
View
Retailer 23
-
€6,275 EUR
View
Price last confirmed 38 days ago
B
Retailer 24
-
€7,325 EUR
View
B
Retailer 25
-
€8,701 EUR
View
B
Retailer 26
-
€8,820 EUR
View
Most Expensive
NZ Jewellers
02b8a415-cb91-4c2f-8723-7658e88a3a04 · Sep 30
€10,040 EUR
$11,210 USD
View
Price last confirmed 37 days ago
26 more retailers have this diamond
Prices start from €4,406 EURSave up to €4,415 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
€4,406 EUR