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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 $5,535 CAD
As of October 30, 2026
Save $850 CAD (13%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $6,385 CAD at The Diamond Guys · As of October 31, 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 October 30, 2026, with prices from $5,535 to $6,385, a $850 spread on the same certified stone. The Diamond Guys lists it at $6,385. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $5,535 CAD|Low: $4,822 CAD|High: $7,485 CAD|Avg: $5,933 CAD
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$4,822 CAD
Retailer 11$4,856 CAD
Retailer 7$4,981 CAD
Retailer 13$5,469 CAD
Retailer 1$5,535 CAD
Retailer 8$5,747 CAD
Retailer 5$5,938 CAD
Retailer 9$6,021 CAD
Retailer 4$6,188 CAD
Retailer 15$6,188 CAD
Retailer 3$6,384 CAD
The Diamond Guys$6,385 CAD
Retailer 14$6,616 CAD
Retailer 10$6,843 CAD
Retailer 12$7,198 CAD
Retailer 6$7,415 CAD

36 data points across 16 retailers

3 retailers$5,535 CAD to $6,385 CAD

B+
Cheapest Retailer
-
$5,535 CAD
B+
Retailer 2
-
$5,747 CAD
$4,114 USD
View
Most Expensive
B
The Diamond Guys
1992899755 · Oct 31
$6,385 CAD
$4,571 USD
View
2 more retailers have this diamond
Prices start from $5,535 CADSave up to $850 CAD

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
$5,535 CAD