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Marquise|Natural|GIA

1.00ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 2557316373

Certificate GIA 2557316373

Diamond specifications and retailer prices

From $3,658 CAD
₹249,369 INR
As of November 1, 2026
Save $1,080 CAD (23%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $4,738 CAD at GemTrove · As of November 2, 2026
View at GemTrove

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557316373. Listed at 8 retailers as of November 1, 2026, with prices from $3,658 to $4,738, a $1,080 spread on the same certified stone. GemTrove lists it at $4,738. 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

1.00
Carat
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557316373
Dimensions9.92 × 5.22 × 3.25 mm
L/W Ratio1.90
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
9.92 mm5.22 mm1.00 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2557316373
Side View
Table 63.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 62.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $4,162 CAD|Low: $3,421 CAD|High: $4,836 CAD|Avg: $4,159 CAD|-5.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 2$3,658 CAD
Retailer 3$3,920 CAD
Retailer 4$3,960 CAD
Retailer 1$4,162 CAD
Retailer 6$4,487 CAD
Retailer 5$4,650 CAD

46 data points across 6 retailers

8 retailers$3,658 CAD to $4,738 CAD

A
Cheapest Retailer
-
$3,658 CAD
₹249,369 INR
A
Retailer 2
-
$3,920 CAD
$2,806 USD
View
B+
Retailer 3
-
$3,960 CAD
$2,835 USD
View
Final sale: no returns
A
Retailer 4
-
$4,162 CAD
£2,346 GBP
View
B+
Retailer 5
-
$4,487 CAD
SGD 4,341 SGD
View
B+
Retailer 6
-
$4,643 CAD
A$5,114 AUD
View
B+
Retailer 7
-
$4,650 CAD
$3,329 USD
View
Most Expensive
B+
GemTrove
GT-N-01273322-98 · Nov 2
$4,738 CAD
A$5,218 AUD
View
7 more retailers have this diamond
Prices start from $3,658 CADSave up to $1,080 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.

A
1.00ct Marquise
$3,658 CAD