Marquise|Natural|GIA

1.21ct D SI1 Marquise Natural Diamond

ID • D/SI1 • GIA 7558598063

Certificate GIA 7558598063

Diamond specifications and retailer prices

From €3,991 EUR
As of November 5, 2026
Save €3,759 EUR (49%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €7,750 EUR at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.21ct natural marquise diamond

This 1.21ct natural marquise 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 7558598063. Listed at 10 retailers as of November 3, 2026, with prices from €3,991 to €7,750, a €3,759 spread on the same certified stone. NZ Jewellers lists it at €7,750. 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
FluorescenceMedium
Crown angle40.62°
Pavilion angle40.11°
OriginNatural
Grading LabGIA
CertificateGIA 7558598063
Dimensions9.78 × 5.47 × 3.69 mm
L/W Ratio1.79
Girdle conditionVery Thick
Key to symbols
Crystal, Knot, Indented Natural
Top View
9.78 mm5.47 mm1.21 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 7558598063
Side View
Table 59.0%Crown 40.62°GirdlePavilion 40.11°CuletDepth 67.3%

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: €7,750 EUR|Low: €3,991 EUR|High: €7,842 EUR|Avg: €5,162 EUR|-0.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 3€3,991 EUR
Retailer 4€4,281 EUR
Retailer 5€4,339 EUR
Retailer 7€4,371 EUR
Retailer 8€4,449 EUR
Retailer 9€4,449 EUR
Retailer 10€4,696 EUR
Retailer 2€5,023 EUR
Retailer 6€7,085 EUR
NZ Jewellers€7,750 EUR

30 data points across 10 retailers

10 retailers€3,991 EUR to €7,750 EUR

B+
Cheapest Retailer
-
€3,991 EUR
B+
Retailer 2
-
€4,281 EUR
View
B+
Retailer 3
-
€4,339 EUR
View
B+
Retailer 4
-
€4,371 EUR
View
B+
Retailer 5
-
€4,449 EUR
View
B+
Retailer 6
-
€4,449 EUR
View
Retailer 7
-
€4,696 EUR
View
Price last confirmed 29 days ago
B+
Retailer 8
-
€5,023 EUR
View
B
Retailer 9
-
€7,085 EUR
View
Most Expensive
B
NZ Jewellers
e133051b-13b6-4904-b503-a4873a6cd697 · Nov 3
€7,750 EUR
$8,653 USD
View
9 more retailers have this diamond
Prices start from €3,991 EURSave up to €3,759 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
€3,991 EUR