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Marquise|Natural|GIA

1.00ct K IF Marquise Natural Diamond

EX • K/IF • GIA 2557878443

Certificate GIA 2557878443

Diamond specifications and retailer prices

From $3,452 AUD
As of November 6, 2026
Save $4,366 AUD (56%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $7,818 AUD 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 K colour (faint-tinted) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557878443. Listed at 5 retailers as of November 5, 2026, with prices from $3,452 to $7,818, a $4,366 spread on the same certified stone. NZ Jewellers lists it at $7,818. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
K
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceVery Strong
OriginNatural
Grading LabGIA
CertificateGIA 2557878443
Dimensions9.94 × 5.23 × 3.10 mm
L/W Ratio1.90
Top View
9.94 mm5.23 mm1.00 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceVery Strong
CertificateGIA 2557878443
Side View
Table 60.0%CrownGirdle: THK-THKPavilionCulet: NoneDepth 59.2%

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 6
Current: $7,818 AUD|Low: $2,525 AUD|High: $7,818 AUD|Avg: $4,877 AUD|+8.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 3, 2026
Retailer 5$3,452 AUD
Retailer 4$3,714 AUD
Retailer 2$4,650 AUD
Retailer 3$6,549 AUD
NZ Jewellers$7,818 AUD

28 data points across 5 retailers

5 retailers$3,452 AUD to $7,818 AUD

A
Cheapest Retailer
-
$3,452 AUD
Final sale: no returns
A
Retailer 2
-
$3,714 AUD
View
B+
Retailer 3
-
$4,650 AUD
View
B
Retailer 4
-
$6,549 AUD
View
Most Expensive
C
NZ Jewellers
b538eeaa-dff4-4ae0-95d5-5f3b1c652364 · Nov 5
$7,818 AUD
$5,372 USD
View
4 more retailers have this diamond
Prices start from $3,452 AUDSave up to $4,366 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.

A
1.00ct Marquise
$3,452 AUD