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Marquise|Natural|GIA

0.90ct H SI2 Marquise Natural Diamond

EX • H/SI2 • GIA 2557985642

Certificate GIA 2557985642

Diamond specifications and retailer prices

From €1,732 EUR
$1,935 USD
As of October 30, 2026
Save €1,408 EUR (45%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €3,140 EUR at Riddles Jewelry · As of October 31, 2026
View at Riddles Jewelry

About this 0.9ct natural marquise diamond

This 0.9ct natural marquise sits in the just-under-one-carat band, graded H 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 2557985642. Listed at 9 retailers as of October 30, 2026, with prices from €1,732 to €3,140, a €1,408 spread on the same certified stone. Riddles Jewelry lists it at €3,140. 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

0.90
Carat
H
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557985642
Dimensions9.63 × 5.07 × 3.14 mm
L/W Ratio1.90
Culet sizeNone
Key to symbols
Crystal, Feather, Knot
Top View
9.63 mm5.07 mm0.90 ctH / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2557985642
Side View
Table 64.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 61.9%

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: Oct 30
Current: €3,094 EUR|Low: €1,732 EUR|High: €3,140 EUR|Avg: €2,153 EUR|+0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Riddles Jewelry
November 2, 2026
Retailer 7€1,732 EUR
Retailer 8€2,069 EUR
Retailer 3€2,146 EUR
Retailer 6€2,166 EUR
Retailer 5€2,272 EUR
Retailer 2€2,803 EUR
Retailer 4€3,069 EUR
Retailer 1€3,094 EUR
Riddles Jewelry€3,140 EUR

32 data points across 9 retailers

9 retailers€1,732 EUR to €3,140 EUR

B+
Cheapest Retailer
-
€1,732 EUR
$1,935 USD
B+
Retailer 2
-
€2,069 EUR
SGD 3,123 SGD
View
B
Retailer 3
-
€2,146 EUR
$2,397 USD
View
B+
Retailer 4
-
€2,166 EUR
$2,420 USD
View
B
Retailer 5
-
€2,272 EUR
$2,538 USD
View
B
Retailer 6
-
€2,762 EUR
$3,086 USD
View
B
Retailer 7
-
€2,803 EUR
£2,466 GBP
View
B
Retailer 8
-
€3,094 EUR
View
Most Expensive
B
Riddles Jewelry
1997151045 · Oct 31
€3,140 EUR
$3,508 USD
View
8 more retailers have this diamond
Prices start from €1,732 EURSave up to €1,408 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
€1,732 EUR