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Oval|Natural|IGI

1.21ct K SI1 Oval Natural Diamond

EX • K/SI1 • IGI 762534812

Shape and cutting style on the report: Oval brilliant

Certificate IGI 762534812

Diamond specifications and retailer prices

From $1,611 AUD
As of November 6, 2026
Save $1,521 AUD (49%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,308 AUD at NZ Jewellers · As of September 30, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 762534812. Listed at 14 retailers as of November 4, 2026, with a 94% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.5°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 762534812
Dimensions9.17 × 5.75 × 3.60 mm
L/W Ratio1.59
Girdle conditionFaceted
Culet sizePointed
Top View
9.17 mm5.75 mm1.21 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 762534812
Side View
Table 61.0%Crown 34.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,930 AUD|Low: $1,611 AUD|High: $3,273 AUD|Avg: $2,154 AUD|-0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 3$1,611 AUD
Retailer 7$1,645 AUD
Retailer 2$1,767 AUD
Retailer 9$1,781 AUD
Retailer 8$1,859 AUD
Retailer 4$1,876 AUD
Retailer 1$1,930 AUD
Retailer 5$2,091 AUD
Retailer 10$2,398 AUD
Retailer 6$3,132 AUD

44 data points across 10 retailers

14 retailers$1,611 AUD to $3,132 AUD

A
Cheapest Retailer
-
$1,611 AUD
A
Retailer 2
-
$1,645 AUD
View
Retailer 3
-
$1,767 AUD
View
Price last confirmed 37 days ago
Retailer 4
-
$1,767 AUD
View
Price last confirmed 22 days ago
Retailer 5
-
$1,781 AUD
View
Price last confirmed 7 days ago
Retailer 6
-
$1,834 AUD
View
Price last confirmed 39 days ago
A
Retailer 7
-
$1,859 AUD
View
A
Retailer 8
-
$1,876 AUD
View
A
Retailer 9
-
$1,930 AUD
View
Retailer 10
-
$2,038 AUD
View
Price last confirmed 39 days ago
A
Retailer 11
-
$2,091 AUD
View
A
Retailer 12
-
$2,398 AUD
View
B+
Retailer 13
-
$3,132 AUD
View
Most Expensive
NZ Jewellers
bfccbb32-3a67-49db-afa6-372b1bd30458 · Sep 30
$4,308 AUD
$2,960 USD
View
Price last confirmed 38 days ago
13 more retailers have this diamond
Prices start from $1,611 AUDSave up to $1,521 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
$1,611 AUD