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Oval|Natural|IGI

1.21ct I SI2 Oval Natural Diamond

VG • I/SI2 • IGI 737595428

Shape and cutting style on the report: Oval brilliant

Certificate IGI 737595428

Diamond specifications and retailer prices

From $1,745 AUD
As of November 6, 2026
Save $2,936 AUD (63%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,681 AUD 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 737595428. Listed at 15 retailers as of November 5, 2026, with prices from $1,745 to $4,681, a $2,936 spread on the same certified stone. NZ Jewellers lists it at $4,681. 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
I
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.4°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 737595428
Dimensions8.02 × 5.89 × 3.88 mm
L/W Ratio1.36
Girdle conditionFaceted
Culet sizePointed
Top View
8.02 mm5.89 mm1.21 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 737595428
Side View
Table 63.0%Crown 40.4°Girdle: STK-THKPavilion 40.7°Culet: NoneDepth 65.9%

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 6
Current: $4,681 AUD|Low: $1,745 AUD|High: $4,822 AUD|Avg: $2,454 AUD|-2.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 2$1,745 AUD
Retailer 6$1,752 AUD
Retailer 7$1,859 AUD
Retailer 13$1,918 AUD
Retailer 5$1,976 AUD
Retailer 4$2,000 AUD
Retailer 11$2,007 AUD
Retailer 3$2,039 AUD
Retailer 8$2,086 AUD
Retailer 9$2,182 AUD
Retailer 12$2,676 AUD
Retailer 10$3,503 AUD
NZ Jewellers$4,681 AUD

45 data points across 13 retailers

15 retailers$1,745 AUD to $4,681 AUD

A
Cheapest Retailer
-
$1,745 AUD
Final sale: no returns
A
Retailer 2
-
$1,752 AUD
View
A
Retailer 3
-
$1,859 AUD
View
A
Retailer 4
-
$1,918 AUD
View
Retailer 5
-
$1,976 AUD
View
Price last confirmed 13 days ago
Retailer 6
-
$1,976 AUD
View
Price last confirmed 22 days ago
B+
Retailer 7
-
$2,000 AUD
View
A
Retailer 8
-
$2,007 AUD
View
B+
Retailer 9
-
$2,039 AUD
View
A
Retailer 10
-
$2,086 AUD
View
B+
Retailer 11
-
$2,097 AUD
View
A
Retailer 12
-
$2,182 AUD
View
A
Retailer 13
-
$2,676 AUD
View
B+
Retailer 14
-
$3,503 AUD
View
Most Expensive
B
NZ Jewellers
60187880-1303-4990-aa43-b99f2d2d3df4 · Nov 5
$4,681 AUD
$3,216 USD
View
14 more retailers have this diamond
Prices start from $1,745 AUDSave up to $2,936 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
$1,745 AUD