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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 $2,703 CAD
$1,935 USD
As of October 30, 2026
Save $2,197 CAD (45%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $4,900 CAD 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 $2,703 to $4,900, a $2,197 spread on the same certified stone. Riddles Jewelry lists it at $4,900. 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: $4,411 CAD|Low: $2,703 CAD|High: $4,900 CAD|Avg: $3,318 CAD|+44.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Riddles Jewelry
November 1, 2026
Retailer 7$2,703 CAD
Retailer 8$3,228 CAD
Retailer 3$3,348 CAD
Retailer 6$3,380 CAD
Retailer 5$3,545 CAD
Retailer 1$4,411 CAD
Retailer 4$4,790 CAD
Retailer 2$4,830 CAD
Riddles Jewelry$4,900 CAD

32 data points across 9 retailers

9 retailers$2,703 CAD to $4,900 CAD

B+
Cheapest Retailer
-
$2,703 CAD
$1,935 USD
B+
Retailer 2
-
$3,228 CAD
SGD 3,123 SGD
View
B
Retailer 3
-
$3,348 CAD
$2,397 USD
View
B+
Retailer 4
-
$3,380 CAD
$2,420 USD
View
B
Retailer 5
-
$3,545 CAD
$2,538 USD
View
B
Retailer 6
-
$4,311 CAD
$3,086 USD
View
B
Retailer 7
-
$4,411 CAD
£2,486 GBP
View
B
Retailer 8
-
$4,830 CAD
€3,293 EUR
View
Most Expensive
B
Riddles Jewelry
1997151045 · Oct 31
$4,900 CAD
$3,508 USD
View
8 more retailers have this diamond
Prices start from $2,703 CADSave up to $2,197 CAD

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
$2,703 CAD