Oval|Natural|GIA

0.90ct F SI1 Oval Natural Diamond

EX • F/SI1 • GIA 7518500909

Certificate GIA 7518500909

Diamond specifications and retailer prices

From $3,243 AUD
$2,273 USD
As of November 2, 2026
Save $2,690 AUD (45%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $8,607 AUD at NZ Jewellers · As of October 17, 2026
View at NZ Jewellers

About this 0.9ct natural oval diamond

This 0.9ct natural oval sits in the just-under-one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7518500909. Listed at 26 retailers as of October 26, 2026, with a 83% 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

0.90
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.11°
Pavilion angle34.99°
OriginNatural
Grading LabGIA
CertificateGIA 7518500909
Dimensions7.59 × 5.42 × 3.24 mm
L/W Ratio1.40
Key to symbols
Crystal, Cloud, Feather
Top View
7.59 mm5.42 mm0.90 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7518500909
Side View
Table 63.0%Crown 36.11°Girdle: THK-VTKPavilion 34.99°Culet: NoneDepth 59.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $4,826 AUD|Low: $2,967 AUD|High: $8,031 AUD|Avg: $4,863 AUD|+2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 3$3,243 AUD
Retailer 8$3,442 AUD
Retailer 10$3,873 AUD
Retailer 11$4,045 AUD
Retailer 2$4,050 AUD
Retailer 9$4,630 AUD
Retailer 1$4,826 AUD
Retailer 4$4,977 AUD
Retailer 7$5,997 AUD
Retailer 6$6,922 AUD
Retailer 5$7,967 AUD

39 data points across 11 retailers

26 retailers$3,243 AUD to $5,933 AUD

B+
Cheapest Retailer
-
$3,243 AUD
$2,273 USD
Retailer 2
-
$3,340 AUD
$2,341 USD
View
Price last confirmed 13 days ago
B+
Retailer 3
-
$3,353 AUD
$2,350 USD
View
Retailer 4
-
$3,503 AUD
$2,455 USD
View
Price last confirmed 15 days ago
B+
Retailer 5
-
$3,519 AUD
$2,466 USD
View
Retailer 6
-
$3,681 AUD
$2,580 USD
View
Price last confirmed 13 days ago
Retailer 7
-
$3,730 AUD
$2,614 USD
View
Price last confirmed 13 days ago
Retailer 8
-
$3,730 AUD
$2,614 USD
View
Price last confirmed 17 days ago
Retailer 9
-
$3,786 AUD
$2,653 USD
View
Price last confirmed 15 days ago
Retailer 10
-
$3,873 AUD
$2,714 USD
View
Price last confirmed 16 days ago
B
Retailer 11
-
$4,045 AUD
$2,835 USD
View
Retailer 12
-
$4,050 AUD
$2,838 USD
View
Price last confirmed 13 days ago
B
Retailer 13
-
$4,078 AUD
CA$3,969 CAD
View
Retailer 14
-
$4,266 AUD
$2,990 USD
View
Price last confirmed 13 days ago
Retailer 15
-
$4,266 AUD
$2,990 USD
View
Price last confirmed 14 days ago
Retailer 16
-
$4,304 AUD
$3,016 USD
View
Price last confirmed 14 days ago
Retailer 17
-
$4,409 AUD
$3,090 USD
View
Price last confirmed 14 days ago
Retailer 18
-
$4,630 AUD
View
Price last confirmed 29 days ago
B
Retailer 19
-
$4,720 AUD
$3,308 USD
View
B
Retailer 20
-
$4,826 AUD
€3,221 EUR
View
B
Retailer 21
-
$4,977 AUD
£2,747 GBP
View
B
Retailer 22
-
$4,988 AUD
$3,496 USD
View
B
Retailer 23
-
$5,933 AUD
$4,158 USD
View
Retailer 24
-
$5,997 AUD
ZAR 67,898 ZAR
View
Price last confirmed 16 days ago
Retailer 25
-
$6,922 AUD
£3,820 GBP
View
Price last confirmed 14 days ago
Most Expensive
NZ Jewellers
111379ab-9cd7-4522-9ec0-5d5e7d19f95a · Oct 17
$8,607 AUD
$6,032 USD
View
Price under review
25 more retailers have this diamond
Prices start from $3,243 AUDSave up to $2,690 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.

B+
0.90ct Oval
$3,243 AUD