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Oval|Natural|GIA

1.51ct F SI2 Oval Natural Diamond

EX • F/SI2 • GIA 2245083781

Certificate GIA 2245083781

Diamond specifications and retailer prices

From $7,127 AUD
As of November 4, 2026
Save $5,730 AUD (45%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $12,857 AUD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

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 2245083781. Listed at 13 retailers as of November 4, 2026, with prices from $7,127 to $12,857, a $5,730 spread on the same certified stone. Wholesale Diamonds Direct lists it at $12,857. 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
FluorescenceNone
Crown angle40.27°
Pavilion angle39.82°
OriginNatural
Grading LabGIA
CertificateGIA 2245083781
Dimensions8.92 × 6.39 × 4.00 mm
L/W Ratio1.40
Culet sizeNone
Top View
8.92 mm6.39 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2245083781
Side View
Table 59.0%Crown 40.27°Girdle: STK-THKPavilion 39.82°Culet: NoneDepth 62.6%

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: $7,498 AUD|Low: $7,127 AUD|High: $13,109 AUD|Avg: $8,866 AUD|-2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Wholesale Diamonds Direct
November 6, 2026
Retailer 4$7,127 AUD
Retailer 8$7,325 AUD
Retailer 9$7,329 AUD
Retailer 10$7,452 AUD
Retailer 1$7,498 AUD
Retailer 3$7,725 AUD
Retailer 7$7,869 AUD
Retailer 12$8,823 AUD
Retailer 11$8,842 AUD
Retailer 6$9,118 AUD
Retailer 5$9,821 AUD
Retailer 2$12,217 AUD
Wholesale Diamonds Direct$12,857 AUD

25 data points across 13 retailers

13 retailers$7,127 AUD to $12,857 AUD

A
Cheapest Retailer
-
$7,127 AUD
A
Retailer 2
-
$7,325 AUD
View
A
Retailer 3
-
$7,329 AUD
View
A
Retailer 4
-
$7,452 AUD
View
A
Retailer 5
-
$7,498 AUD
View
A
Retailer 6
-
$7,725 AUD
View
A
Retailer 7
-
$7,869 AUD
View
A
Retailer 8
-
$8,823 AUD
View
A
Retailer 9
-
$8,842 AUD
View
A
Retailer 10
-
$9,118 AUD
View
B+
Retailer 11
-
$9,821 AUD
View
B+
Retailer 12
-
$12,217 AUD
View
Most Expensive
B+
Wholesale Diamonds Direct
553490138 · Nov 6
$12,857 AUD
$8,834 USD
View
12 more retailers have this diamond
Prices start from $7,127 AUDSave up to $5,730 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
1.51ct Oval
$7,127 AUD