Oval|Natural|GIA

1.21ct D SI1 Oval Natural Diamond

ID • D/SI1 • GIA 5536189042

Certificate GIA 5536189042

Diamond specifications and retailer prices

From €3,229 EUR
As of November 5, 2026
Save €3,514 EUR (52%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €6,743 EUR at MOH London · As of November 4, 2026
View at MOH London

About this 1.21ct natural oval diamond

This 1.21ct natural oval sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5536189042. Listed at 13 retailers as of November 4, 2026, with prices from €3,229 to €6,743, a €3,514 spread on the same certified stone. MOH London lists it at €6,743. 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
D
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32.93°
OriginNatural
Grading LabGIA
CertificateGIA 5536189042
Dimensions8.81 × 6.06 × 3.70 mm
L/W Ratio1.45
Top View
8.81 mm6.06 mm1.21 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5536189042
Side View
Table 56.0%Crown 32.93°Girdle: MED-THKPavilionCulet: NoneDepth 61.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: €6,743 EUR|Low: €3,229 EUR|High: €6,842 EUR|Avg: €4,526 EUR|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 3€3,229 EUR
Retailer 13€3,384 EUR
Retailer 9€3,636 EUR
Retailer 11€3,800 EUR
Retailer 4€3,846 EUR
Retailer 10€4,030 EUR
Retailer 12€4,030 EUR
Retailer 7€4,154 EUR
Retailer 2€4,165 EUR
Retailer 5€4,279 EUR
Retailer 6€4,776 EUR
Retailer 8€5,179 EUR
MOH London€6,743 EUR

44 data points across 13 retailers

13 retailers€3,229 EUR to €6,743 EUR

A
Cheapest Retailer
-
€3,229 EUR
B+
Retailer 2
-
€3,384 EUR
View
B+
Retailer 3
-
€3,636 EUR
View
B+
Retailer 4
-
€3,800 EUR
View
Retailer 5
-
€3,846 EUR
View
Price last confirmed 8 days ago
B+
Retailer 6
-
€4,030 EUR
View
B+
Retailer 7
-
€4,030 EUR
View
B+
Retailer 8
-
€4,154 EUR
View
B+
Retailer 9
-
€4,165 EUR
View
Retailer 10
-
€4,279 EUR
View
Price last confirmed 28 days ago
B+
Retailer 11
-
€4,776 EUR
View
B
Retailer 12
-
€5,179 EUR
View
Most Expensive
B
MOH London
13A48B8EE · Nov 4
€6,743 EUR
£5,928 GBP
View
12 more retailers have this diamond
Prices start from €3,229 EURSave up to €3,514 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.

A
1.21ct Oval
€3,229 EUR