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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 $1,291 SGD
As of November 6, 2026
Save $2,952 SGD (70%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,243 SGD 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 $1,291 to $4,243, a $2,952 spread on the same certified stone. NZ Jewellers lists it at $4,243. 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: $4,243 SGD|Low: $1,291 SGD|High: $4,667 SGD|Avg: $2,117 SGD|-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$1,291 SGD
Retailer 14$1,546 SGD
Retailer 11$1,613 SGD
Retailer 2$1,710 SGD
Retailer 8$1,740 SGD
Retailer 5$1,774 SGD
Retailer 6$1,797 SGD
Retailer 12$1,820 SGD
Retailer 10$1,878 SGD
Retailer 7$1,912 SGD
Retailer 3$2,008 SGD
Retailer 9$2,123 SGD
Retailer 4$2,461 SGD
NZ Jewellers$4,243 SGD

34 data points across 14 retailers

14 retailers$1,291 SGD to $4,243 SGD

A
Cheapest Retailer
-
$1,291 SGD
A
Retailer 2
-
$1,546 SGD
View
A
Retailer 3
-
$1,613 SGD
View
A
Retailer 4
-
$1,710 SGD
View
B+
Retailer 5
-
$1,740 SGD
View
Retailer 6
-
$1,774 SGD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$1,797 SGD
View
B+
Retailer 8
-
$1,820 SGD
View
B+
Retailer 9
-
$1,878 SGD
View
B+
Retailer 10
-
$1,912 SGD
View
B+
Retailer 11
-
$2,008 SGD
View
B+
Retailer 12
-
$2,123 SGD
View
B
Retailer 13
-
$2,461 SGD
View
Most Expensive
B
NZ Jewellers
a0a2c9e9-3ea4-4c0f-8327-f5c22853a230 · Nov 5
$4,243 SGD
$3,322 USD
View
13 more retailers have this diamond
Prices start from $1,291 SGDSave up to $2,952 SGD

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
$1,291 SGD