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Marquise|Natural|GIA

1.21ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 2245015553

Certificate GIA 2245015553

Diamond specifications and retailer prices

From €4,854 EUR
As of November 5, 2026
Save €1,242 EUR (20%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €6,096 EUR at 77 Diamonds · As of November 4, 2026
View at 77 Diamonds

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 2245015553. Listed at 4 retailers as of November 4, 2026, with prices from €4,854 to €6,096, a €1,242 spread on the same certified stone. 77 Diamonds lists it at €6,096. 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
SymmetryExcellent
FluorescenceNone
Crown angle37.12°
Pavilion angle40.34°
OriginNatural
Grading LabGIA
CertificateGIA 2245015553
Dimensions10.18 × 5.50 × 3.61 mm
L/W Ratio1.85
Culet sizeNone
Top View
10.18 mm5.50 mm1.21 ctG / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 2245015553
Side View
Table 56.0%Crown 37.12°Girdle: THN-VTKPavilion 40.34°Culet: NoneDepth 65.6%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: €6,096 EUR|Low: €3,118 EUR|High: €6,942 EUR|Avg: €5,116 EUR|-1.6%
77 Diamonds
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 4, 2026
Retailer 3€3,118 EUR
Retailer 8€3,926 EUR
Retailer 11€4,215 EUR
Retailer 9€4,256 EUR
Retailer 12€4,268 EUR
Retailer 2€4,981 EUR
Retailer 13€5,086 EUR
Retailer 4€5,390 EUR
Retailer 6€5,410 EUR
77 Diamonds€6,096 EUR
Retailer 5€6,204 EUR
Retailer 7€6,446 EUR
Retailer 10€6,942 EUR

26 data points across 13 retailers

4 retailers€4,854 EUR to €6,096 EUR

B+
Cheapest Retailer
-
€4,854 EUR
B
Retailer 2
-
€4,981 EUR
View
B
Retailer 3
-
€5,101 EUR
View
Most Expensive
B
77 Diamonds
MQMBKHPFSYF5 · Nov 4
€6,096 EUR
£5,388 GBP
View
3 more retailers have this diamond
Prices start from €4,854 EURSave up to €1,242 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
€4,854 EUR