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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 $1,997 NZD
As of November 6, 2026
Save $1,885 NZD (49%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,340 NZD 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 15 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: $2,208 NZD|Low: $1,997 NZD|High: $4,057 NZD|Avg: $2,668 NZD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 5$1,997 NZD
Retailer 9$2,038 NZD
Retailer 3$2,190 NZD
Retailer 1$2,208 NZD
Retailer 11$2,208 NZD
Retailer 10$2,304 NZD
Retailer 6$2,325 NZD
Retailer 4$2,392 NZD
Retailer 7$2,592 NZD
Retailer 2$2,973 NZD
Retailer 8$3,882 NZD

44 data points across 11 retailers

15 retailers$1,997 NZD to $3,882 NZD

A
Cheapest Retailer
-
$1,997 NZD
A
Retailer 2
-
$2,038 NZD
View
Retailer 3
-
$2,190 NZD
View
Price last confirmed 37 days ago
Retailer 4
-
$2,190 NZD
View
Price last confirmed 22 days ago
A
Retailer 5
-
$2,208 NZD
View
Retailer 6
-
$2,208 NZD
View
Price last confirmed 7 days ago
Retailer 7
-
$2,273 NZD
View
Price last confirmed 39 days ago
A
Retailer 8
-
$2,304 NZD
View
A
Retailer 9
-
$2,325 NZD
View
A
Retailer 10
-
$2,392 NZD
View
Retailer 11
-
$2,525 NZD
View
Price last confirmed 39 days ago
A
Retailer 12
-
$2,592 NZD
View
A
Retailer 13
-
$2,973 NZD
View
B+
Retailer 14
-
$3,882 NZD
View
Most Expensive
NZ Jewellers
bfccbb32-3a67-49db-afa6-372b1bd30458 · Sep 30
$5,340 NZD
$2,960 USD
View
Price last confirmed 38 days ago
14 more retailers have this diamond
Prices start from $1,997 NZDSave up to $1,885 NZD

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
$1,997 NZD