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Marquise|Natural|GIA

1.00ct F SI1 Marquise Natural Diamond

ID • F/SI1 • GIA 6555941974

Certificate GIA 6555941974

Diamond specifications and retailer prices

From $2,744 SGD
As of November 4, 2026
Save $4,591 SGD (63%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $7,335 SGD 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 6555941974. Listed at 9 retailers as of November 4, 2026, with prices from $2,744 to $7,335, a $4,591 spread on the same certified stone. NZ Jewellers lists it at $7,335. 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
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555941974
Dimensions9.33 × 5.21 × 3.38 mm
L/W Ratio1.79
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal
Top View
9.33 mm5.21 mm1.00 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555941974
Side View
Table 62.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 64.9%

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 4
Current: $7,335 SGD|Low: $2,744 SGD|High: $7,335 SGD|Avg: $3,668 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 9$2,744 SGD
Retailer 10$3,148 SGD
Retailer 7$3,178 SGD
Retailer 8$3,324 SGD
Retailer 11$3,345 SGD
Retailer 3$3,383 SGD
Retailer 4$3,403 SGD
Retailer 5$3,667 SGD
Retailer 2$3,777 SGD
Retailer 6$4,282 SGD
NZ Jewellers$7,335 SGD

3 data points across 11 retailers

9 retailers$2,744 SGD to $7,335 SGD

A
Cheapest Retailer
-
$2,744 SGD
A
Retailer 2
-
$3,178 SGD
View
A
Retailer 3
-
$3,324 SGD
View
A
Retailer 4
-
$3,345 SGD
View
A
Retailer 5
-
$3,403 SGD
View
A
Retailer 6
-
$3,667 SGD
View
B+
Retailer 7
-
$3,777 SGD
View
B+
Retailer 8
-
$4,282 SGD
View
Most Expensive
B
NZ Jewellers
15e13424-0202-4e24-88c0-e94ad1dc42dd · Nov 5
$7,335 SGD
$5,723 USD
View
8 more retailers have this diamond
Prices start from $2,744 SGDSave up to $4,591 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.

A
1.00ct Marquise
$2,744 SGD