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Oval|Natural|GIA

1.21ct K SI2 Oval Natural Diamond

EX • K/SI2 • GIA 6512041258

Certificate GIA 6512041258

Diamond specifications and retailer prices

From $2,103 AUD
As of November 1, 2026
Save $1,227 AUD (37%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,330 AUD at Yorxs · As of November 6, 2026
View at Yorxs

About this 1.21ct natural oval diamond

This 1.21ct natural oval sits in the classic one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6512041258. Listed at 9 retailers as of November 1, 2026, with prices from $2,103 to $3,330, a $1,227 spread on the same certified stone. Yorxs lists it at $3,330. 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
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.36°
Pavilion angle38.36°
OriginNatural
Grading LabGIA
CertificateGIA 6512041258
Dimensions8.43 × 5.99 × 3.63 mm
L/W Ratio1.41
Top View
8.43 mm5.99 mm1.21 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6512041258
Side View
Table 59.0%Crown 39.36°Girdle: STK-THKPavilion 38.36°Culet: NoneDepth 60.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $3,307 AUD|Low: $2,103 AUD|High: $3,483 AUD|Avg: $2,540 AUD|+1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Yorxs
November 6, 2026
Retailer 3$2,103 AUD
Retailer 7$2,132 AUD
Retailer 6$2,167 AUD
Retailer 5$2,187 AUD
Retailer 8$2,224 AUD
Retailer 4$2,631 AUD
Retailer 2$2,729 AUD
Retailer 1$3,307 AUD
Yorxs$3,330 AUD

39 data points across 9 retailers

9 retailers$2,103 AUD to $3,330 AUD

A
Cheapest Retailer
-
$2,103 AUD
A
Retailer 2
-
$2,132 AUD
View
A
Retailer 3
-
$2,167 AUD
View
A
Retailer 4
-
$2,187 AUD
View
A
Retailer 5
-
$2,224 AUD
View
B+
Retailer 6
-
$2,631 AUD
View
B+
Retailer 7
-
$2,729 AUD
View
B+
Retailer 8
-
$3,307 AUD
View
Most Expensive
B+
Yorxs
488440496 · Nov 6
$3,330 AUD
€2,179 EUR
View
8 more retailers have this diamond
Prices start from $2,103 AUDSave up to $1,227 AUD

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.

A
1.21ct Oval
$2,103 AUD