CaratHunter
Plans
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 $1,763 SGD
As of November 4, 2026
Save $2,876 SGD (62%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,639 SGD 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 $1,763 to $4,639, a $2,876 spread on the same certified stone. NZ Jewellers lists it at $4,639. 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
Colour
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: $1,844 SGD|Low: $1,843 SGD|High: $3,372 SGD|Avg: $2,330 SGD|-1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 1$1,844 SGD
Retailer 6$1,989 SGD
Retailer 3$2,135 SGD
Retailer 4$2,321 SGD
Retailer 2$2,459 SGD
Retailer 5$3,323 SGD

40 data points across 6 retailers

15 retailers$1,763 SGD to $4,639 SGD

B+
Cheapest Retailer
-
$1,763 SGD
A
Retailer 2
-
$1,844 SGD
View
B+
Retailer 3
-
$1,902 SGD
View
Retailer 4
-
$1,902 SGD
View
Price last confirmed 12 days ago
B+
Retailer 5
-
$1,916 SGD
View
B+
Retailer 6
-
$1,986 SGD
View
B+
Retailer 7
-
$1,989 SGD
View
B+
Retailer 8
-
$2,019 SGD
View
B+
Retailer 9
-
$2,135 SGD
View
Retailer 10
-
$2,194 SGD
View
Price last confirmed 66 days ago
B+
Retailer 11
-
$2,194 SGD
View
B+
Retailer 12
-
$2,321 SGD
View
B+
Retailer 13
-
$2,459 SGD
View
B
Retailer 14
-
$3,323 SGD
View
Most Expensive
C
NZ Jewellers
50382b14-c377-41b9-bb05-f39bd05c7532 · Nov 5
$4,639 SGD
$3,620 USD
View
14 more retailers have this diamond
Prices start from $1,763 SGDSave up to $2,876 SGD

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
$1,763 SGD