Oval|Natural|IGI

1.21ct K SI1 Oval Natural Diamond

VG • K/SI1 • IGI 790682867

Shape and cutting style on the report: Oval brilliant

Certificate IGI 790682867

Diamond specifications and retailer prices

From $1,376 USD
As of November 4, 2026
Save $2,244 USD (62%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,620 USD 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 790682867. Listed at 15 retailers as of November 4, 2026, with prices from $1,376 to $3,620, a $2,244 spread on the same certified stone. NZ Jewellers lists it at $3,620. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.21
Carat
K
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle33.3°
Pavilion angle38.6°
OriginNatural
Grading LabIGI
CertificateIGI 790682867
Dimensions8.67 × 6.08 × 3.62 mm
L/W Ratio1.43
Girdle conditionFaceted
Top View
8.67 mm6.08 mm1.21 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateIGI 790682867
Side View
Table 57.0%Crown 33.3°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 59.5%

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 4
Current: $1,439 USD|Low: $1,438 USD|High: $2,631 USD|Avg: $1,818 USD|-1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 1$1,439 USD
Retailer 6$1,552 USD
Retailer 3$1,666 USD
Retailer 4$1,811 USD
Retailer 2$1,919 USD
Retailer 5$2,593 USD

40 data points across 6 retailers

15 retailers$1,376 USD to $3,620 USD

B+
Cheapest Retailer
-
$1,376 USD
A
Retailer 2
-
$1,439 USD
View
B+
Retailer 3
-
$1,484 USD
View
Retailer 4
-
$1,484 USD
View
Price last confirmed 12 days ago
B+
Retailer 5
-
$1,495 USD
View
B+
Retailer 6
-
$1,550 USD
View
B+
Retailer 7
-
$1,552 USD
View
B+
Retailer 8
-
$1,575 USD
View
B+
Retailer 9
-
$1,666 USD
View
Retailer 10
-
$1,712 USD
View
Price last confirmed 66 days ago
B+
Retailer 11
-
$1,712 USD
View
B+
Retailer 12
-
$1,811 USD
View
B+
Retailer 13
-
$1,919 USD
View
B
Retailer 14
-
$2,593 USD
View
Most Expensive
C
NZ Jewellers
50382b14-c377-41b9-bb05-f39bd05c7532 · Nov 5
$3,620 USD
View
14 more retailers have this diamond
Prices start from $1,376 USDSave up to $2,244 USD

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
$1,376 USD