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Marquise|Natural|GIA

1.00ct F SI2 Marquise Natural Diamond

EX • F/SI2 • GIA 2557785905

Certificate GIA 2557785905

Diamond specifications and retailer prices

From $3,171 USD
As of November 5, 2026
Save $3,699 USD (54%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,870 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557785905. Listed at 14 retailers as of November 5, 2026, with prices from $3,171 to $6,870, a $3,699 spread on the same certified stone. NZ Jewellers lists it at $6,870. 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
F
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557785905
Dimensions10.00 × 5.22 × 3.34 mm
L/W Ratio1.92
Girdle conditionFaceted
Culet sizeNone
Top View
10.00 mm5.22 mm1.00 ctF / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2557785905
Side View
Table 62.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 64.0%

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 5
Current: $3,877 USD|Low: $3,171 USD|High: $6,673 USD|Avg: $3,966 USD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7$3,171 USD
Retailer 5$3,220 USD
Retailer 2$3,305 USD
Retailer 8$3,355 USD
Retailer 10$3,572 USD
Retailer 9$3,710 USD
Retailer 1$3,877 USD
Retailer 4$3,970 USD
Retailer 3$4,326 USD
Retailer 6$6,593 USD

43 data points across 10 retailers

14 retailers$3,171 USD to $6,870 USD

B+
Cheapest Retailer
-
$3,171 USD
B+
Retailer 2
-
$3,220 USD
View
B+
Retailer 3
-
$3,305 USD
View
B+
Retailer 4
-
$3,355 USD
View
B+
Retailer 5
-
$3,572 USD
View
Retailer 6
-
$3,572 USD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$3,710 USD
View
B+
Retailer 8
-
$3,877 USD
View
B
Retailer 9
-
$3,970 USD
View
B
Retailer 10
-
$4,122 USD
View
B+
Retailer 11
-
$4,326 USD
View
Retailer 12
-
$4,464 USD
View
Price last confirmed 14 days ago
B
Retailer 13
-
$6,593 USD
View
Most Expensive
B
NZ Jewellers
f7c2cd6e-a9fd-43ed-a2d8-cd0186ba7a74 · Nov 5
$6,870 USD
View
13 more retailers have this diamond
Prices start from $3,171 USDSave up to $3,699 USD

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+
1.00ct Marquise
$3,171 USD