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Marquise|Natural|GIA

1.00ct F I1 Marquise Natural Diamond

F/I1 • GIA 5231379456

Certificate GIA 5231379456

Diamond specifications and retailer prices

From $3,427 SGD
$2,680 USD
As of November 2, 2026
Save $633 SGD (16%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $4,061 SGD at Yorxs · As of November 2, 2026
View at Yorxs

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded F colour (colourless) and I1 clarity (included) and certified by GIA 5231379456. Listed at 2 retailers as of November 2, 2026, with prices from $3,427 to $4,061, a $633 spread on the same certified stone. Yorxs lists it at $4,061. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
F
Colour
I1
Clarity
-
Cut

Specifications

Cut
PolishGood
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5231379456
Dimensions9.99 × 5.34 × 3.11 mm
L/W Ratio1.87
Top View
9.99 mm5.34 mm1.00 ctF / I1
OriginNatural
PolishGood
SymmetryGood
FluorescenceNone
CertificateGIA 5231379456
Side View
Table 66.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 58.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $3,427 SGD|Low: $3,427 SGD|High: $4,062 SGD|Avg: $3,727 SGD
Retailer 1
Yorxs
November 2, 2026
Retailer 1$3,427 SGD
Yorxs$4,061 SGD

16 data points across 2 retailers

2 retailers$3,427 SGD to $4,061 SGD

B+
Cheapest Retailer
-
$3,427 SGD
$2,680 USD
Most Expensive
B
Yorxs
F23283EBD · Nov 2
$4,061 SGD
€3,024 EUR
View
1 more retailer has this diamond
Prices start from $3,427 SGDSave up to $633 SGD

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
$3,427 SGD