Marquise|Natural|GIA

1.00ct F SI1 Marquise Natural Diamond

EX • F/SI1 • GIA 2556141137

Certificate GIA 2556141137

Diamond specifications and retailer prices

From $2,409 USD
As of November 6, 2026
Save $3,047 USD (56%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $5,456 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2556141137. Listed at 6 retailers as of November 5, 2026, with prices from $2,409 to $5,456, a $3,047 spread on the same certified stone. NZ Jewellers lists it at $5,456. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 2556141137
Dimensions9.66 × 5.10 × 3.25 mm
L/W Ratio1.89
Top View
9.66 mm5.10 mm1.00 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 2556141137
Side View
Table 64.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 63.7%

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 6
Current: $5,456 USD|Low: $2,146 USD|High: $6,096 USD|Avg: $3,674 USD|+3.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 5$2,409 USD
Retailer 4$2,590 USD
Retailer 6$3,022 USD
Retailer 2$3,241 USD
Retailer 3$4,560 USD
NZ Jewellers$5,456 USD

30 data points across 6 retailers

6 retailers$2,409 USD to $5,456 USD

A
Cheapest Retailer
-
$2,409 USD
Final sale: no returns
A
Retailer 2
-
$2,590 USD
View
B+
Retailer 3
-
$3,022 USD
View
B+
Retailer 4
-
$3,241 USD
View
B
Retailer 5
-
$4,560 USD
View
Most Expensive
B
NZ Jewellers
9c0abb12-1f0c-4692-a5d4-9ca803abfd6c · Nov 5
$5,456 USD
View
5 more retailers have this diamond
Prices start from $2,409 USDSave up to $3,047 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.

A
1.00ct Marquise
$2,409 USD