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Marquise|Natural|GIA

0.90ct D SI2 Marquise Natural Diamond

GD • D/SI2 • GIA 6441120990

Certificate GIA 6441120990

Diamond specifications and retailer prices

From €1,838 EUR
$2,053 USD
As of November 1, 2026
Save €3,428 EUR (65%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €5,266 EUR at Moon Ocean · As of November 1, 2026
View at Moon Ocean

About this 0.9ct natural marquise diamond

This 0.9ct natural marquise sits in the just-under-one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6441120990. Listed at 13 retailers as of November 1, 2026, with prices from €1,838 to €5,266, a €3,428 spread on the same certified stone. Moon Ocean lists it at €5,266. 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

0.90
Carat
D
Color
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6441120990
Dimensions9.55 × 4.82 × 3.30 mm
L/W Ratio1.98
Top View
9.55 mm4.82 mm0.90 ctD / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryGood
FluorescenceFaint
CertificateGIA 6441120990
Side View
Table 57.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 68.4%

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 1
Current: €5,266 EUR|Low: €2,035 EUR|High: €5,338 EUR|Avg: €3,008 EUR|-0.3%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 6€2,035 EUR
Retailer 5€2,129 EUR
Retailer 2€2,215 EUR
Retailer 4€2,541 EUR
Retailer 3€3,565 EUR
Moon Ocean€5,266 EUR

43 data points across 6 retailers

13 retailers€1,838 EUR to €5,266 EUR

B+
Cheapest Retailer
-
€1,838 EUR
$2,053 USD
B+
Retailer 2
-
€2,035 EUR
$2,273 USD
View
B+
Retailer 3
-
€2,035 EUR
$2,273 USD
View
B+
Retailer 4
-
€2,113 EUR
$2,361 USD
View
B+
Retailer 5
-
€2,129 EUR
$2,378 USD
View
B+
Retailer 6
-
€2,140 EUR
$2,391 USD
View
B+
Retailer 7
-
€2,160 EUR
$2,413 USD
View
B+
Retailer 8
-
€2,215 EUR
£1,948 GBP
View
B
Retailer 9
-
€2,348 EUR
$2,623 USD
View
B
Retailer 10
-
€2,541 EUR
View
B
Retailer 11
-
€3,565 EUR
£3,136 GBP
View
C
Retailer 12
-
€4,254 EUR
$4,753 USD
View
Most Expensive
C
Moon Ocean
NVN-D363EBE25-990 · Nov 1
€5,266 EUR
£4,632 GBP
View
12 more retailers have this diamond
Prices start from €1,838 EURSave up to €3,428 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+
0.90ct Marquise
€1,838 EUR