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Marquise|Natural|GIA

1.00ct M SI1 Marquise Natural Diamond

EX • M/SI1 • GIA 6565227430

Certificate GIA 6565227430

Diamond specifications and retailer prices

From $1,798 NZD
As of November 6, 2026
Save $4,111 NZD (70%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,910 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 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 6565227430. Listed at 14 retailers as of November 5, 2026, with prices from $1,798 to $5,910, a $4,111 spread on the same certified stone. NZ Jewellers lists it at $5,910. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6565227430
Dimensions9.75 × 5.20 × 3.23 mm
L/W Ratio1.88
Top View
9.75 mm5.20 mm1.00 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6565227430
Side View
Table 61.0%CrownGirdle: Thick - Very ThickPavilionCulet: NoneDepth 62.1%

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: $5,910 NZD|Low: $1,798 NZD|High: $6,500 NZD|Avg: $2,949 NZD|-9.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 6, 2026
Retailer 13$1,798 NZD
Retailer 14$2,152 NZD
Retailer 11$2,247 NZD
Retailer 2$2,382 NZD
Retailer 8$2,423 NZD
Retailer 5$2,471 NZD
Retailer 6$2,503 NZD
Retailer 12$2,535 NZD
Retailer 10$2,615 NZD
Retailer 7$2,663 NZD
Retailer 3$2,796 NZD
Retailer 9$2,957 NZD
Retailer 4$3,428 NZD
NZ Jewellers$5,910 NZD

34 data points across 14 retailers

14 retailers$1,798 NZD to $5,910 NZD

A
Cheapest Retailer
-
$1,798 NZD
A
Retailer 2
-
$2,152 NZD
View
A
Retailer 3
-
$2,247 NZD
View
A
Retailer 4
-
$2,382 NZD
View
B+
Retailer 5
-
$2,423 NZD
View
Retailer 6
-
$2,471 NZD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$2,503 NZD
View
B+
Retailer 8
-
$2,535 NZD
View
B+
Retailer 9
-
$2,615 NZD
View
B+
Retailer 10
-
$2,663 NZD
View
B+
Retailer 11
-
$2,796 NZD
View
B+
Retailer 12
-
$2,957 NZD
View
B
Retailer 13
-
$3,428 NZD
View
Most Expensive
B
NZ Jewellers
a0a2c9e9-3ea4-4c0f-8327-f5c22853a230 · Nov 5
$5,910 NZD
$3,322 USD
View
13 more retailers have this diamond
Prices start from $1,798 NZDSave up to $4,111 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
$1,798 NZD