Oval|Natural|GIA

1.21ct G SI1 Oval Natural Diamond

ID • G/SI1 • GIA 6511725679

Certificate GIA 6511725679

Diamond specifications and retailer prices

From $5,767 CAD
As of November 6, 2026
Save $5,999 CAD (51%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $11,766 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.21ct natural oval diamond

This 1.21ct natural oval 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 6511725679. Listed at 14 retailers as of November 5, 2026, with prices from $5,767 to $11,766, a $5,999 spread on the same certified stone. NZ Jewellers lists it at $11,766. 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
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
Crown angle37.47°
Pavilion angle41.17°
OriginNatural
Grading LabGIA
CertificateGIA 6511725679
Dimensions8.41 × 5.92 × 3.77 mm
L/W Ratio1.42
Top View
8.41 mm5.92 mm1.21 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6511725679
Side View
Table 62.0%Crown 37.47°GirdlePavilion 41.17°Culet: NoneDepth 63.7%

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 6
Current: $11,766 CAD|Low: $5,608 CAD|High: $11,766 CAD|Avg: $7,284 CAD|+2.5%
NZ Jewellers
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
Retailer 16
November 6, 2026
Retailer 8$5,608 CAD
Retailer 16$5,767 CAD
Retailer 7$5,842 CAD
Retailer 14$5,891 CAD
Retailer 3$6,093 CAD
Retailer 13$6,234 CAD
Retailer 2$6,552 CAD
Retailer 5$6,753 CAD
Retailer 6$6,753 CAD
Retailer 12$6,753 CAD
Retailer 15$6,808 CAD
Retailer 11$7,641 CAD
Retailer 4$7,793 CAD
Retailer 9$8,240 CAD
Retailer 10$10,728 CAD
NZ Jewellers$11,766 CAD

43 data points across 16 retailers

14 retailers$5,767 CAD to $11,766 CAD

B+
Cheapest Retailer
-
$5,767 CAD
B+
Retailer 2
-
$5,891 CAD
View
B+
Retailer 3
-
$6,093 CAD
View
B
Retailer 4
-
$6,234 CAD
View
Final sale: no returns
B+
Retailer 5
-
$6,552 CAD
View
B
Retailer 6
-
$6,753 CAD
View
B
Retailer 7
-
$6,753 CAD
View
Retailer 8
-
$6,753 CAD
View
Price last confirmed 8 days ago
Retailer 9
-
$6,808 CAD
View
Price last confirmed 28 days ago
B
Retailer 10
-
$7,641 CAD
View
B
Retailer 11
-
$7,793 CAD
View
B
Retailer 12
-
$8,240 CAD
View
B
Retailer 13
-
$10,728 CAD
View
Most Expensive
B
NZ Jewellers
458523b9-179c-4233-9777-1cc57f56e8aa · Nov 5
$11,766 CAD
$8,365 USD
View
13 more retailers have this diamond
Prices start from $5,767 CADSave up to $5,999 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 Oval
$5,767 CAD