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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 $4,064 SGD
As of November 5, 2026
Save $4,741 SGD (54%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $8,805 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 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 $4,064 to $8,805, a $4,741 spread on the same certified stone. NZ Jewellers lists it at $8,805. 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
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: $4,969 SGD|Low: $4,064 SGD|High: $8,552 SGD|Avg: $5,083 SGD|-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$4,064 SGD
Retailer 5$4,127 SGD
Retailer 2$4,236 SGD
Retailer 8$4,300 SGD
Retailer 10$4,578 SGD
Retailer 9$4,755 SGD
Retailer 1$4,969 SGD
Retailer 4$5,088 SGD
Retailer 3$5,544 SGD
Retailer 6$8,450 SGD

42 data points across 10 retailers

14 retailers$4,064 SGD to $8,805 SGD

B+
Cheapest Retailer
-
$4,064 SGD
B+
Retailer 2
-
$4,127 SGD
View
B+
Retailer 3
-
$4,236 SGD
View
B+
Retailer 4
-
$4,300 SGD
View
B+
Retailer 5
-
$4,578 SGD
View
Retailer 6
-
$4,578 SGD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$4,755 SGD
View
B+
Retailer 8
-
$4,969 SGD
View
B
Retailer 9
-
$5,088 SGD
View
B
Retailer 10
-
$5,283 SGD
View
B+
Retailer 11
-
$5,544 SGD
View
Retailer 12
-
$5,721 SGD
View
Price last confirmed 15 days ago
B
Retailer 13
-
$8,450 SGD
View
Most Expensive
B
NZ Jewellers
f7c2cd6e-a9fd-43ed-a2d8-cd0186ba7a74 · Nov 5
$8,805 SGD
$6,870 USD
View
13 more retailers have this diamond
Prices start from $4,064 SGDSave up to $4,741 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
$4,064 SGD