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Oval|Natural|GIA

1.51ct L SI1 Oval Natural Diamond

EX • L/SI1 • GIA 2566045185

Certificate GIA 2566045185

Diamond specifications and retailer prices

From $2,719 AUD
As of November 6, 2026
Save $4,924 AUD (64%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $7,850 AUD at NZ Jewellers · As of August 30, 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 L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2566045185. Listed at 19 retailers as of November 5, 2026, with a 181% 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

1.51
Carat
L
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2566045185
Dimensions8.88 × 6.36 × 4.00 mm
L/W Ratio1.40
Top View
8.88 mm6.36 mm1.51 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566045185
Side View
Table 61.0%CrownGirdle: SLI-VTKPavilionCulet: NoneDepth 62.9%

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: $7,642 AUD|Low: $2,719 AUD|High: $8,309 AUD|Avg: $4,165 AUD|-8.0%
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
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 16$2,719 AUD
Retailer 3$3,158 AUD
Retailer 14$3,302 AUD
Retailer 8$3,538 AUD
Retailer 2$3,595 AUD
Retailer 13$3,624 AUD
Retailer 12$3,656 AUD
Retailer 7$3,762 AUD
Retailer 5$3,796 AUD
Retailer 15$3,825 AUD
Retailer 9$3,860 AUD
Retailer 10$3,868 AUD
Retailer 4$4,218 AUD
Retailer 11$4,462 AUD
Retailer 6$4,697 AUD
NZ Jewellers$7,642 AUD

25 data points across 16 retailers

19 retailers$2,719 AUD to $7,642 AUD

A
Cheapest Retailer
-
$2,719 AUD
A
Retailer 2
-
$3,158 AUD
View
A
Retailer 3
-
$3,302 AUD
View
A
Retailer 4
-
$3,538 AUD
View
A
Retailer 5
-
$3,595 AUD
View
B+
Retailer 6
-
$3,624 AUD
View
B+
Retailer 7
-
$3,656 AUD
View
Retailer 8
-
$3,762 AUD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$3,796 AUD
View
B+
Retailer 10
-
$3,825 AUD
View
B+
Retailer 11
-
$3,860 AUD
View
B+
Retailer 12
-
$3,868 AUD
View
Retailer 13
-
$3,975 AUD
View
Price last confirmed 23 days ago
B+
Retailer 14
-
$4,218 AUD
View
B+
Retailer 15
-
$4,462 AUD
View
Retailer 16
-
$4,586 AUD
View
Price last confirmed 23 days ago
B+
Retailer 17
-
$4,697 AUD
View
B
Retailer 18
-
$7,642 AUD
View
Most Expensive
NZ Jewellers
7afac1a4-437f-4dfb-b9d8-3add4c558d30 · Aug 30
$7,850 AUD
$5,394 USD
View
Price last confirmed 68 days ago
18 more retailers have this diamond
Prices start from $2,719 AUDSave up to $4,924 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
$2,719 AUD