Marquise|Natural|GIA

1.00ct F SI1 Marquise Natural Diamond

EX • F/SI1 • GIA 2558742549

Certificate GIA 2558742549

Diamond specifications and retailer prices

From $4,260 AUD

As of November 3, 2026

Save $5,765 AUD (58%) vs most expensive(unlock to see where)

35 retailers carry this diamond

Most expensive: $10,025 AUD 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 $4,260 to $10,025, a $5,765 spread on the same certified stone. NZ Jewellers lists it at $10,025. 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: $10,025 AUD|Low: $3,759 AUD|High: $10,025 AUD|Avg: $5,764 AUD

NZ Jewellers

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November 4, 2026

Retailer 29$3,772 AUD

Retailer 24$4,260 AUD

Retailer 8$4,422 AUD

Retailer 35$4,433 AUD

Retailer 6$4,482 AUD

Retailer 5$4,535 AUD

Retailer 34$4,536 AUD

Retailer 17$4,628 AUD

Retailer 20$4,811 AUD

Retailer 28$5,002 AUD

Retailer 16$5,004 AUD

Retailer 18$5,102 AUD

Retailer 7$5,214 AUD

Retailer 33$5,214 AUD

Retailer 14$5,216 AUD

Retailer 23$5,368 AUD

Retailer 10$5,414 AUD

Retailer 21$5,451 AUD

Retailer 22$5,563 AUD

Retailer 9$5,570 AUD

Retailer 13$5,603 AUD

Retailer 11$5,670 AUD

Retailer 2$5,828 AUD

Retailer 25$5,839 AUD

Retailer 3$5,899 AUD

Retailer 12$5,899 AUD

Retailer 15$6,015 AUD

Retailer 4$6,086 AUD

Retailer 19$6,147 AUD

Retailer 30$6,329 AUD

Retailer 32$7,072 AUD

Retailer 27$7,565 AUD

Retailer 26$8,316 AUD

Retailer 31$9,622 AUD

NZ Jewellers$10,025 AUD

26 data points across 35 retailers

35 retailers$4,260 AUD to $10,025 AUD

Retailer 1

$3,518 AUD

Price last confirmed 33 days ago

Retailer 2

$4,207 AUD

View

Price last confirmed 48 days ago

B+

Retailer 3

$4,260 AUD

View

B+

Retailer 4

$4,422 AUD

View

B+

Retailer 5

$4,433 AUD

View

B+

Retailer 6

$4,482 AUD

View

B+

Retailer 7

$4,535 AUD

View

B+

Retailer 8

$4,536 AUD

View

B+

Retailer 9

$4,628 AUD

View

B+

Retailer 10

$4,811 AUD

View

Final sale: no returns

Retailer 11

$5,002 AUD

View

Price last confirmed 35 days ago

B+

Retailer 12

$5,004 AUD

View

B+

Retailer 13

$5,102 AUD

View

B+

Retailer 14

$5,214 AUD

View

B+

Retailer 15

$5,214 AUD

View

B+

Retailer 16

$5,216 AUD

View

Retailer 17

$5,368 AUD

View

Price last confirmed 20 days ago

B+

Retailer 18

$5,414 AUD

View

B+

Retailer 19

$5,451 AUD

View

Retailer 20

$5,563 AUD

View

Retailer 21

$5,570 AUD

View

B+

Retailer 22

$5,603 AUD

View

Retailer 23

$5,670 AUD

View

B+

Retailer 24

$5,828 AUD

View

B+

Retailer 25

$5,839 AUD

View

B+

Retailer 26

$5,899 AUD

View

B+

Retailer 27

$5,899 AUD

View

B+

Retailer 28

$6,015 AUD

View

Retailer 29

$6,086 AUD

View

Retailer 30

$6,147 AUD

View

B+

Retailer 31

$6,329 AUD

View

Retailer 32

$7,072 AUD

View

Retailer 33

$8,316 AUD

View

Retailer 34

$9,622 AUD

View

Most Expensive

NZ Jewellers

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

$10,025 AUD

$7,001 USD

View

34 more retailers have this diamond

Prices start from $4,260 AUDSave up to $5,765 AUD

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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