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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 €1,445 EUR
As of November 5, 2026
Save €2,079 EUR (59%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €3,525 EUR 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 €1,445 to €3,525, a €2,079 spread on the same certified stone. NZ Jewellers lists it at €3,525. 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
Colour
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

How it works →
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: €3,525 EUR|Low: €1,445 EUR|High: €3,525 EUR|Avg: €2,002 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 5€1,445 EUR
Retailer 4€1,512 EUR
Retailer 2€1,516 EUR
Retailer 6€1,668 EUR
Retailer 3€1,966 EUR
NZ Jewellers€3,525 EUR

8 data points across 6 retailers

6 retailers€1,445 EUR to €3,525 EUR

B
Cheapest Retailer
-
€1,445 EUR
B
Retailer 2
-
€1,512 EUR
View
B
Retailer 3
-
€1,516 EUR
View
B
Retailer 4
-
€1,668 EUR
View
B
Retailer 5
-
€1,966 EUR
View
Most Expensive
C
NZ Jewellers
4b03bb55-fdca-49a4-aa86-a62b70e2df73 · Nov 5
€3,525 EUR
$3,956 USD
View
5 more retailers have this diamond
Prices start from €1,445 EURSave up to €2,079 EUR

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
€1,445 EUR