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Marquise|Natural|GIA

1.00ct M SI1 Marquise Natural Diamond

ID • M/SI1 • GIA 7531573401

Certificate GIA 7531573401

Diamond specifications and retailer prices

From $2,378 NZD
As of November 2, 2026
Save $3,494 NZD (59%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $5,872 NZD 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 M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7531573401. Listed at 7 retailers as of November 2, 2026, with prices from $2,378 to $5,872, a $3,494 spread on the same certified stone. NZ Jewellers lists it at $5,872. 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
M
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceStrong
Crown angle38.36°
Pavilion angle42.02°
OriginNatural
Grading LabGIA
CertificateGIA 7531573401
Dimensions9.47 × 5.17 × 3.49 mm
L/W Ratio1.83
Girdle conditionExtremely Thick
Key to symbols
Feather, Crystal, Cloud, Pinpoint, Natural
Top View
9.47 mm5.17 mm1.00 ctM / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 7531573401
Side View
Table 57.0%Crown 38.36°GirdlePavilion 42.02°CuletDepth 67.5%

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 2
Current: $5,872 NZD|Low: $2,378 NZD|High: $6,127 NZD|Avg: $3,074 NZD|-4.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 3$2,378 NZD
Retailer 7$2,402 NZD
Retailer 6$2,407 NZD
Retailer 4$2,519 NZD
Retailer 5$2,597 NZD
Retailer 2$2,675 NZD
NZ Jewellers$5,872 NZD

43 data points across 7 retailers

7 retailers$2,378 NZD to $5,872 NZD

A
Cheapest Retailer
-
$2,378 NZD
A
Retailer 2
-
$2,402 NZD
View
B+
Retailer 3
-
$2,407 NZD
View
B+
Retailer 4
-
$2,519 NZD
View
B+
Retailer 5
-
$2,597 NZD
View
B+
Retailer 6
-
$2,675 NZD
View
Most Expensive
C
NZ Jewellers
736a8f6b-b1e8-4847-8089-ddd1431f6333 · Nov 3
$5,872 NZD
$3,301 USD
View
6 more retailers have this diamond
Prices start from $2,378 NZDSave up to $3,494 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
$2,378 NZD