Marquise|Natural|GIA

1.21ct D SI1 Marquise Natural Diamond

EX • D/SI1

Diamond specifications and retailer prices

From €4,514 EUR
As of November 1, 2026
Save €5,483 EUR (55%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €9,997 EUR at NZ Jewellers · As of November 5, 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. Listed at 10 retailers as of November 1, 2026, with prices from €4,514 to €9,997, a €5,483 spread on the same certified stone. NZ Jewellers lists it at €9,997. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
Dimensions10.20 × 5.74 × 3.29 mm
L/W Ratio1.78
Top View
10.20 mm5.74 mm1.21 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA
Side View
Table 68.0%CrownGirdle: ThickPavilionCuletDepth 57.3%

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 1
Current: €9,997 EUR|Low: €4,514 EUR|High: €11,258 EUR|Avg: €6,240 EUR|-11.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8€4,514 EUR
Retailer 7€5,127 EUR
Retailer 3€5,415 EUR
Retailer 4€5,415 EUR
Retailer 5€5,415 EUR
Retailer 10€5,450 EUR
Retailer 2€5,799 EUR
Retailer 9€6,056 EUR
Retailer 6€6,249 EUR
NZ Jewellers€9,997 EUR

30 data points across 10 retailers

10 retailers€4,514 EUR to €9,997 EUR

B+
Cheapest Retailer
-
€4,514 EUR
B
Retailer 2
-
€5,127 EUR
View
Retailer 3
-
€5,415 EUR
View
Price last confirmed 9 days ago
B
Retailer 4
-
€5,415 EUR
View
B
Retailer 5
-
€5,415 EUR
View
B
Retailer 6
-
€5,450 EUR
View
B
Retailer 7
-
€5,799 EUR
View
B
Retailer 8
-
€6,056 EUR
View
B
Retailer 9
-
€6,249 EUR
View
Most Expensive
C
NZ Jewellers
e9cb07d0-8cb8-4821-aee2-af32967f0286 · Nov 5
€9,997 EUR
$11,162 USD
View
9 more retailers have this diamond
Prices start from €4,514 EURSave up to €5,483 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
€4,514 EUR