Oval|Natural|GIA

1.51ct F SI2 Oval Natural Diamond

EX • F/SI2 • GIA 2546750663

Certificate GIA 2546750663

Diamond specifications and retailer prices

From $9,428 AUD
$6,607 USD
As of November 2, 2026
Save $11,820 AUD (56%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $21,248 AUD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2546750663. Listed at 18 retailers as of October 27, 2026, with prices from $9,428 to $21,248, a $11,820 spread on the same certified stone. NZ Jewellers lists it at $21,248. 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

1.51
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2546750663
Dimensions8.98 × 6.41 × 3.87 mm
L/W Ratio1.40
Top View
8.98 mm6.41 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2546750663
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 60.4%

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: $21,248 AUD|Low: $9,243 AUD|High: $21,248 AUD|Avg: $13,283 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 6$9,428 AUD
Retailer 5$10,168 AUD
Retailer 8$10,625 AUD
Retailer 7$11,509 AUD
Retailer 10$11,765 AUD
Retailer 3$12,474 AUD
Retailer 2$13,159 AUD
Retailer 9$15,144 AUD
Retailer 4$17,728 AUD
NZ Jewellers$21,248 AUD

38 data points across 10 retailers

18 retailers$9,428 AUD to $21,248 AUD

B+
Cheapest Retailer
-
$9,428 AUD
$6,607 USD
B+
Retailer 2
-
$9,867 AUD
$6,915 USD
View
B+
Retailer 3
-
$10,168 AUD
$7,126 USD
View
Final sale: no returns
B+
Retailer 4
-
$10,210 AUD
$7,155 USD
View
B+
Retailer 5
-
$10,503 AUD
CA$10,223 CAD
View
Retailer 6
-
$11,509 AUD
$8,066 USD
View
Price last confirmed 7 days ago
Retailer 7
-
$11,686 AUD
$8,190 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$11,765 AUD
$8,245 USD
View
B
Retailer 9
-
$12,184 AUD
$8,539 USD
View
B
Retailer 10
-
$12,474 AUD
£6,883 GBP
View
Retailer 11
-
$12,657 AUD
$8,870 USD
View
Price last confirmed 7 days ago
Retailer 12
-
$12,657 AUD
$8,870 USD
View
Price last confirmed 7 days ago
Retailer 13
-
$13,070 AUD
$9,160 USD
View
Price last confirmed 7 days ago
B+
Retailer 14
-
$13,159 AUD
€8,783 EUR
View
B
Retailer 15
-
$13,280 AUD
$9,307 USD
View
B
Retailer 16
-
$14,034 AUD
$9,835 USD
View
B
Retailer 17
-
$17,728 AUD
£9,783 GBP
View
Most Expensive
B
NZ Jewellers
77be4b15-8aae-4105-b967-b46ab5ca25a9 · Oct 27
$21,248 AUD
$14,891 USD
View
17 more retailers have this diamond
Prices start from $9,428 AUDSave up to $11,820 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+
1.51ct Oval
$9,428 AUD