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Marquise|Natural|GIA

1.00ct E SI2 Marquise Natural Diamond

EX • E/SI2 • GIA 1555471219

Certificate GIA 1555471219

Diamond specifications and retailer prices

From $4,387 NZD
As of November 6, 2026
Save $1,358 NZD (24%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $5,744 NZD at GemTrove · As of November 6, 2026
View at GemTrove

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded E 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 1555471219. Listed at 7 retailers as of November 6, 2026, with prices from $4,387 to $5,744, a $1,358 spread on the same certified stone. GemTrove lists it at $5,744. 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
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1555471219
Dimensions10.45 × 5.27 × 3.08 mm
L/W Ratio1.98
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
10.45 mm5.27 mm1.00 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555471219
Side View
Table 63.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 58.4%

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: $4,387 NZD|Low: $4,168 NZD|High: $5,691 NZD|Avg: $4,950 NZD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 1$4,387 NZD
Retailer 3$4,791 NZD
Retailer 4$4,844 NZD
Retailer 2$5,111 NZD
Retailer 5$5,488 NZD

46 data points across 5 retailers

7 retailers$4,387 NZD to $5,744 NZD

A
Cheapest Retailer
-
$4,387 NZD
A
Retailer 2
-
$4,791 NZD
View
A
Retailer 3
-
$4,844 NZD
View
Final sale: no returns
A
Retailer 4
-
$5,111 NZD
View
A
Retailer 5
-
$5,488 NZD
View
B+
Retailer 6
-
$5,628 NZD
View
Most Expensive
B+
GemTrove
GT-N-01273345-98 · Nov 6
$5,744 NZD
A$4,968 AUD
View
6 more retailers have this diamond
Prices start from $4,387 NZDSave up to $1,358 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.

A
1.00ct Marquise
$4,387 NZD