Oval|Natural|IGI

2.50ct J SI1 Oval Natural Diamond

VG • J/SI1 • IGI 685548541

Shape and cutting style on the report: Oval brilliant

Certificate IGI 685548541

Diamond specifications and retailer prices

From $8,032 AUD
$5,642 USD
As of October 31, 2026
Save $12,429 AUD (61%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $20,461 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 2.5ct natural oval diamond

This 2.5ct natural oval sits in the two to three carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 685548541. Listed at 10 retailers as of October 30, 2026, with prices from $8,032 to $20,461, a $12,429 spread on the same certified stone. NZ Jewellers lists it at $20,461. 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

2.50
Carat
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle44.1°
Pavilion angle39.6°
OriginNatural
Grading LabIGI
CertificateIGI 685548541
Dimensions10.14 × 7.31 × 4.92 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizePointed
Top View
10.14 mm7.31 mm2.50 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 685548541
Side View
Table 60.0%Crown 44.1°Girdle: THK-VTKPavilion 39.6°Culet: NoneDepth 67.3%

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: Oct 31
Current: $20,461 AUD|Low: $8,032 AUD|High: $22,484 AUD|Avg: $13,771 AUD|-6.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 10$8,032 AUD
Retailer 3$10,833 AUD
Retailer 2$11,083 AUD
Retailer 8$11,254 AUD
Retailer 7$11,806 AUD
Retailer 6$12,442 AUD
Retailer 4$12,776 AUD
Retailer 5$13,417 AUD
Retailer 9$17,796 AUD
NZ Jewellers$20,461 AUD

39 data points across 10 retailers

10 retailers$8,032 AUD to $20,461 AUD

A
Cheapest Retailer
-
$8,032 AUD
$5,642 USD
Final sale: no returns
B+
Retailer 2
-
$10,833 AUD
SGD 10,283 SGD
View
A
Retailer 3
-
$11,083 AUD
$7,785 USD
View
A
Retailer 4
-
$11,254 AUD
$7,905 USD
View
B+
Retailer 5
-
$11,806 AUD
£6,530 GBP
View
B+
Retailer 6
-
$12,442 AUD
$8,740 USD
View
B+
Retailer 7
-
$12,776 AUD
$8,974 USD
View
B+
Retailer 8
-
$13,417 AUD
€8,976 EUR
View
B+
Retailer 9
-
$17,796 AUD
£9,843 GBP
View
Most Expensive
B
NZ Jewellers
0dcc5cf8-11fb-420b-8b85-4f0118f90d41 · Oct 30
$20,461 AUD
$14,373 USD
View
9 more retailers have this diamond
Prices start from $8,032 AUDSave up to $12,429 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
2.50ct Oval
$8,032 AUD