CaratHunter
Plans
Marquise|Natural|GIA

1.21ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 2557418396

Certificate GIA 2557418396

Diamond specifications and retailer prices

From €4,620 EUR
As of November 4, 2026
2 retailers carry this diamond
Most expensive: €6,232 EUR at 77 Diamonds · As of October 24, 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 2557418396. Listed at 2 retailers as of November 4, 2026. 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.34°
Pavilion angle37.33°
OriginNatural
Grading LabGIA
CertificateGIA 2557418396
Dimensions10.76 × 5.68 × 3.28 mm
L/W Ratio1.89
Culet sizeNone
Top View
10.76 mm5.68 mm1.21 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557418396
Side View
Table 60.0%Crown 38.34°Girdle: THN-VTKPavilion 37.33°Culet: NoneDepth 57.7%

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 4
Current: €6,232 EUR|Low: €2,824 EUR|High: €7,235 EUR|Avg: €4,895 EUR|-1.3%
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
October 24, 2026
Retailer 13€2,824 EUR
Retailer 6€3,855 EUR
Retailer 2€3,985 EUR
Retailer 10€4,056 EUR
Retailer 12€4,181 EUR
Retailer 3€4,620 EUR
Retailer 8€4,651 EUR
Retailer 9€4,819 EUR
Retailer 5€5,298 EUR
Retailer 11€5,496 EUR
77 Diamonds€6,232 EUR
Retailer 7€6,329 EUR
Retailer 4€7,235 EUR

11 data points across 13 retailers

2 retailers

B+
Cheapest Retailer
-
€4,620 EUR
Most Expensive
77 Diamonds
MQMBCBCANRVZ · Oct 24
€6,232 EUR
£5,508 GBP
View
Price last confirmed 12 days ago
1 more retailer has this diamond
Prices start from €4,620 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
€4,620 EUR