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1.21ct G IF Round Natural Diamond

EX • G/IF • GIA 2506491710

Certificate GIA 2506491710

Diamond specifications and retailer prices

From $12,125 CAD
SGD 11,725 SGD
As of November 3, 2026
Save $6,591 CAD (35%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $18,715 CAD at Diamond Quarter · As of November 2, 2026
View at Diamond Quarter

About this 1.21ct natural round diamond

This 1.21ct natural round sits in the classic one-carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 2506491710. Listed at 2 retailers as of November 2, 2026, with prices from $12,125 to $18,715, a $6,591 spread on the same certified stone. Diamond Quarter lists it at $18,715. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
G
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2506491710
Dimensions6.74 × 6.80 × 4.23 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Culet sizeNone
Top View
6.74 mm6.80 mm1.21 ctG / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2506491710
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41°CuletDepth 62.5%

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 3
Current: $12,125 CAD|Low: $12,076 CAD|High: $12,152 CAD|Avg: $12,123 CAD|+0.0%
November 3, 2026
Retailer 1$12,125 CAD

6 data points across 1 retailer

2 retailers$12,125 CAD to $18,715 CAD

B+
Cheapest Retailer
-
$12,125 CAD
SGD 11,725 SGD
Most Expensive
B
Diamond Quarter
1.21IFG25104288KG · Nov 2
$18,715 CAD
£10,546 GBP
View
1 more retailer has this diamond
Prices start from $12,125 CADSave up to $6,591 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 Round
$12,125 CAD