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Marquise|Natural|GIA

1.00ct M SI2 Marquise Natural Diamond

M/SI2 • GIA 1242116052

Certificate GIA 1242116052

Diamond specifications and retailer prices

From $1,622 USD
As of November 5, 2026
Save $2,334 USD (59%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $3,956 USD 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 SI2 clarity (slightly-included) and certified by GIA 1242116052. Listed at 6 retailers as of November 5, 2026, with prices from $1,622 to $3,956, a $2,334 spread on the same certified stone. NZ Jewellers lists it at $3,956. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
M
Color
SI2
Clarity
-
Cut

Specifications

Cut
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1242116052
Dimensions9.52 × 5.26 × 3.27 mm
L/W Ratio1.81
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
9.52 mm5.26 mm1.00 ctM / SI2
OriginNatural
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1242116052
Side View
Table 58.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 62.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $3,956 USD|Low: $1,622 USD|High: $3,956 USD|Avg: $2,247 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 5$1,622 USD
Retailer 4$1,697 USD
Retailer 2$1,702 USD
Retailer 6$1,872 USD
Retailer 3$2,207 USD
NZ Jewellers$3,956 USD

8 data points across 6 retailers

6 retailers$1,622 USD to $3,956 USD

B
Cheapest Retailer
-
$1,622 USD
B
Retailer 2
-
$1,697 USD
View
B
Retailer 3
-
$1,702 USD
View
B
Retailer 4
-
$1,872 USD
View
B
Retailer 5
-
$2,207 USD
View
Most Expensive
C
NZ Jewellers
4b03bb55-fdca-49a4-aa86-a62b70e2df73 · Nov 5
$3,956 USD
View
5 more retailers have this diamond
Prices start from $1,622 USDSave up to $2,334 USD

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.

B
1.00ct Marquise
$1,622 USD