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Marquise|Natural|GIA

1.21ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 5241043968

Certificate GIA 5241043968

Diamond specifications and retailer prices

From €3,855 EUR
As of November 5, 2026
Save €3,562 EUR (48%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €7,417 EUR at MOH London · As of November 4, 2026
View at MOH London

About this 1.21ct natural marquise diamond

This 1.21ct natural marquise sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5241043968. Listed at 6 retailers as of November 4, 2026, with prices from €3,855 to €7,417, a €3,562 spread on the same certified stone. MOH London lists it at €7,417. 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

1.21
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5241043968
Dimensions9.95 × 5.76 × 3.62 mm
L/W Ratio1.73
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Needle, Feather, Natural
Top View
9.95 mm5.76 mm1.21 ctG / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateGIA 5241043968
Side View
Table 53.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 62.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: €7,417 EUR|Low: €3,760 EUR|High: €7,517 EUR|Avg: €5,372 EUR|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 4€3,760 EUR
Retailer 2€4,614 EUR
Retailer 5€5,153 EUR
Retailer 3€5,262 EUR
MOH London€7,417 EUR

34 data points across 5 retailers

6 retailers€3,855 EUR to €7,417 EUR

Retailer 1
-
€3,760 EUR
Price last confirmed 8 days ago
B+
Retailer 2
-
€3,855 EUR
View
B
Retailer 3
-
€4,614 EUR
View
Retailer 4
-
€5,153 EUR
View
Price last confirmed 23 days ago
B
Retailer 5
-
€5,262 EUR
View
Most Expensive
B
MOH London
2F5F63AFF · Nov 4
€7,417 EUR
£6,555 GBP
View
5 more retailers have this diamond
Prices start from €3,855 EURSave up to €3,562 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+
1.21ct Marquise
€3,855 EUR