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Radiant|Natural|GIA

1.21ct G SI2 Radiant Natural Diamond

EX • G/SI2 • GIA 6551273212

Certificate GIA 6551273212

Diamond specifications and retailer prices

From €3,533 EUR
CA$5,503 CAD
As of November 2, 2026
Save €543 EUR (13%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €4,075 EUR at The Diamond Guys · As of November 2, 2026
View at The Diamond Guys

About this 1.21ct natural radiant diamond

This 1.21ct natural radiant sits in the classic one-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551273212. Listed at 3 retailers as of November 2, 2026, with prices from €3,533 to €4,075, a €543 spread on the same certified stone. The Diamond Guys lists it at €4,075. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551273212
Dimensions7.24 × 5.47 × 3.60 mm
L/W Ratio1.32
Culet sizeNone
Top View
7.24 mm5.47 mm1.21 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551273212
Side View
Table 67.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 65.7%

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 2
Current: €3,533 EUR|Low: €3,078 EUR|High: €4,778 EUR|Avg: €3,787 EUR
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
The Diamond Guys
October 15, 2026
Retailer 2€3,078 EUR
Retailer 11€3,099 EUR
Retailer 7€3,179 EUR
Retailer 13€3,491 EUR
Retailer 1€3,533 EUR
Retailer 8€3,668 EUR
Retailer 5€3,790 EUR
Retailer 9€3,843 EUR
Retailer 4€3,950 EUR
Retailer 15€3,950 EUR
Retailer 3€4,075 EUR
The Diamond Guys€4,075 EUR
Retailer 14€4,223 EUR
Retailer 10€4,368 EUR
Retailer 12€4,594 EUR
Retailer 6€4,733 EUR

36 data points across 16 retailers

3 retailers€3,533 EUR to €4,075 EUR

B+
Cheapest Retailer
-
€3,533 EUR
CA$5,503 CAD
B+
Retailer 2
-
€3,668 EUR
$4,114 USD
View
Most Expensive
B
The Diamond Guys
1992899755 · Nov 2
€4,075 EUR
$4,571 USD
View
2 more retailers have this diamond
Prices start from €3,533 EURSave up to €543 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 Radiant
€3,533 EUR