Marquise|Natural|GIA

1.00ct M SI1 Marquise Natural Diamond

EX • M/SI1 • GIA 6565227430

Certificate GIA 6565227430

Diamond specifications and retailer prices

From $1,444 AUD
As of November 6, 2026
Save $3,301 AUD (70%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,745 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 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 $1,444 to $4,745, a $3,301 spread on the same certified stone. NZ Jewellers lists it at $4,745. 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: $4,745 AUD|Low: $1,444 AUD|High: $5,220 AUD|Avg: $2,368 AUD|-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$1,444 AUD
Retailer 14$1,728 AUD
Retailer 11$1,804 AUD
Retailer 2$1,913 AUD
Retailer 8$1,946 AUD
Retailer 5$1,984 AUD
Retailer 6$2,010 AUD
Retailer 12$2,036 AUD
Retailer 10$2,100 AUD
Retailer 7$2,138 AUD
Retailer 3$2,246 AUD
Retailer 9$2,374 AUD
Retailer 4$2,753 AUD
NZ Jewellers$4,745 AUD

34 data points across 14 retailers

14 retailers$1,444 AUD to $4,745 AUD

A
Cheapest Retailer
-
$1,444 AUD
A
Retailer 2
-
$1,728 AUD
View
A
Retailer 3
-
$1,804 AUD
View
A
Retailer 4
-
$1,913 AUD
View
B+
Retailer 5
-
$1,946 AUD
View
Retailer 6
-
$1,984 AUD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$2,010 AUD
View
B+
Retailer 8
-
$2,036 AUD
View
B+
Retailer 9
-
$2,100 AUD
View
B+
Retailer 10
-
$2,138 AUD
View
B+
Retailer 11
-
$2,246 AUD
View
B+
Retailer 12
-
$2,374 AUD
View
B
Retailer 13
-
$2,753 AUD
View
Most Expensive
B
NZ Jewellers
a0a2c9e9-3ea4-4c0f-8327-f5c22853a230 · Nov 5
$4,745 AUD
$3,322 USD
View
13 more retailers have this diamond
Prices start from $1,444 AUDSave up to $3,301 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
$1,444 AUD