Marquise|Natural|GIA

1.00ct F SI1 Marquise Natural Diamond

EX • F/SI1 • GIA 2558742549

Certificate GIA 2558742549

Diamond specifications and retailer prices

From $3,812 SGD

As of November 3, 2026

Save $5,158 SGD (58%) vs most expensive(unlock to see where)

35 retailers carry this diamond

Most expensive: $8,970 SGD at NZ Jewellers · As of November 3, 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 2558742549. Listed at 35 retailers as of November 3, 2026, with prices from $3,812 to $8,970, a $5,158 spread on the same certified stone. NZ Jewellers lists it at $8,970. 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

Colour

SI1

Clarity

Excellent

Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent

PolishExcellent

SymmetryVery Good

FluorescenceNone

OriginNatural

Grading LabGIA

CertificateGIA 2558742549

Dimensions9.82 × 5.17 × 3.28 mm

L/W Ratio1.90

Girdle conditionFaceted

Culet sizeNone

Key to symbols

Cloud, Crystal, Feather, Needle, Indented Natural, Natural

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryVery Good

FluorescenceNone

CertificateGIA 2558742549

Side View

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 3

Current: $8,970 SGD|Low: $3,363 SGD|High: $8,970 SGD|Avg: $5,157 SGD

NZ Jewellers

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Retailer 35

November 4, 2026

Retailer 29$3,375 SGD

Retailer 24$3,812 SGD

Retailer 8$3,956 SGD

Retailer 35$3,967 SGD

Retailer 6$4,010 SGD

Retailer 5$4,058 SGD

Retailer 34$4,059 SGD

Retailer 17$4,141 SGD

Retailer 20$4,305 SGD

Retailer 28$4,475 SGD

Retailer 16$4,478 SGD

Retailer 18$4,565 SGD

Retailer 7$4,665 SGD

Retailer 33$4,665 SGD

Retailer 14$4,667 SGD

Retailer 23$4,803 SGD

Retailer 10$4,844 SGD

Retailer 21$4,878 SGD

Retailer 22$4,977 SGD

Retailer 9$4,984 SGD

Retailer 13$5,013 SGD

Retailer 11$5,074 SGD

Retailer 2$5,214 SGD

Retailer 25$5,225 SGD

Retailer 3$5,279 SGD

Retailer 12$5,279 SGD

Retailer 15$5,382 SGD

Retailer 4$5,445 SGD

Retailer 19$5,500 SGD

Retailer 30$5,663 SGD

Retailer 32$6,328 SGD

Retailer 27$6,769 SGD

Retailer 26$7,441 SGD

Retailer 31$8,610 SGD

NZ Jewellers$8,970 SGD

26 data points across 35 retailers

35 retailers$3,812 SGD to $8,970 SGD

Retailer 1

$3,148 SGD

Price last confirmed 33 days ago

Retailer 2

$3,764 SGD

View

Price last confirmed 48 days ago

B+

Retailer 3

$3,812 SGD

View

B+

Retailer 4

$3,956 SGD

View

B+

Retailer 5

$3,967 SGD

View

B+

Retailer 6

$4,010 SGD

View

B+

Retailer 7

$4,058 SGD

View

B+

Retailer 8

$4,059 SGD

View

B+

Retailer 9

$4,141 SGD

View

B+

Retailer 10

$4,305 SGD

View

Final sale: no returns

Retailer 11

$4,475 SGD

View

Price last confirmed 35 days ago

B+

Retailer 12

$4,478 SGD

View

B+

Retailer 13

$4,565 SGD

View

B+

Retailer 14

$4,665 SGD

View

B+

Retailer 15

$4,665 SGD

View

B+

Retailer 16

$4,667 SGD

View

Retailer 17

$4,803 SGD

View

Price last confirmed 20 days ago

B+

Retailer 18

$4,844 SGD

View

B+

Retailer 19

$4,878 SGD

View

Retailer 20

$4,977 SGD

View

Retailer 21

$4,984 SGD

View

B+

Retailer 22

$5,013 SGD

View

Retailer 23

$5,074 SGD

View

B+

Retailer 24

$5,214 SGD

View

B+

Retailer 25

$5,225 SGD

View

B+

Retailer 26

$5,279 SGD

View

B+

Retailer 27

$5,279 SGD

View

B+

Retailer 28

$5,382 SGD

View

Retailer 29

$5,445 SGD

View

Retailer 30

$5,500 SGD

View

B+

Retailer 31

$5,663 SGD

View

Retailer 32

$6,328 SGD

View

Retailer 33

$7,441 SGD

View

Retailer 34

$8,610 SGD

View

Most Expensive

NZ Jewellers

36cae81a-756a-49e3-a00f-d328032eb3c2 · Nov 3

$8,970 SGD

$7,001 USD

View

34 more retailers have this diamond

Prices start from $3,812 SGDSave up to $5,158 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.

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