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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 $5,720 NZD
As of November 5, 2026
Save $6,673 NZD (54%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $12,393 NZD 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 $5,720 to $12,393, a $6,673 spread on the same certified stone. NZ Jewellers lists it at $12,393. 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: $6,994 NZD|Low: $5,720 NZD|High: $12,037 NZD|Avg: $7,155 NZD|-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$5,720 NZD
Retailer 5$5,809 NZD
Retailer 2$5,962 NZD
Retailer 8$6,052 NZD
Retailer 10$6,444 NZD
Retailer 9$6,692 NZD
Retailer 1$6,994 NZD
Retailer 4$7,161 NZD
Retailer 3$7,804 NZD
Retailer 6$11,893 NZD

42 data points across 10 retailers

14 retailers$5,720 NZD to $12,393 NZD

B+
Cheapest Retailer
-
$5,720 NZD
B+
Retailer 2
-
$5,809 NZD
View
B+
Retailer 3
-
$5,962 NZD
View
B+
Retailer 4
-
$6,052 NZD
View
B+
Retailer 5
-
$6,444 NZD
View
Retailer 6
-
$6,444 NZD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$6,692 NZD
View
B+
Retailer 8
-
$6,994 NZD
View
B
Retailer 9
-
$7,161 NZD
View
B
Retailer 10
-
$7,436 NZD
View
B+
Retailer 11
-
$7,804 NZD
View
Retailer 12
-
$8,053 NZD
View
Price last confirmed 15 days ago
B
Retailer 13
-
$11,893 NZD
View
Most Expensive
B
NZ Jewellers
f7c2cd6e-a9fd-43ed-a2d8-cd0186ba7a74 · Nov 5
$12,393 NZD
$6,870 USD
View
13 more retailers have this diamond
Prices start from $5,720 NZDSave up to $6,673 NZD

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
$5,720 NZD