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Oval|Natural|GIA

1.51ct K SI2 Oval Natural Diamond

EX • K/SI2 • GIA 6532948762

Certificate GIA 6532948762

Diamond specifications and retailer prices

From $4,941 AUD
As of November 5, 2026
Save $7,460 AUD (60%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $12,401 AUD at NZ Jewellers · As of November 5, 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6532948762. Listed at 13 retailers as of November 5, 2026, with prices from $4,941 to $12,401, a $7,460 spread on the same certified stone. NZ Jewellers lists it at $12,401. 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
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle39.6°
OriginNatural
Grading LabGIA
CertificateGIA 6532948762
Dimensions9.15 × 6.50 × 3.90 mm
L/W Ratio1.41
Top View
9.15 mm6.50 mm1.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6532948762
Side View
Table 62.0%CrownGirdle: STK-THKPavilion 39.6°Culet: NoneDepth 60.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $12,401 AUD|Low: $4,913 AUD|High: $12,401 AUD|Avg: $7,810 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 5$4,941 AUD
Retailer 3$5,794 AUD
Retailer 7$6,718 AUD
Retailer 8$6,718 AUD
Retailer 11$6,718 AUD
Retailer 9$7,075 AUD
Retailer 4$7,302 AUD
Retailer 10$7,751 AUD
Retailer 2$7,894 AUD
Retailer 6$11,779 AUD
NZ Jewellers$12,401 AUD

42 data points across 11 retailers

13 retailers$4,941 AUD to $12,401 AUD

A
Cheapest Retailer
-
$4,941 AUD
B+
Retailer 2
-
$5,794 AUD
View
B+
Retailer 3
-
$5,858 AUD
View
B+
Retailer 4
-
$6,252 AUD
View
B+
Retailer 5
-
$6,718 AUD
View
Retailer 6
-
$6,718 AUD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$6,718 AUD
View
B+
Retailer 8
-
$7,075 AUD
View
B+
Retailer 9
-
$7,302 AUD
View
B
Retailer 10
-
$7,751 AUD
View
B
Retailer 11
-
$7,894 AUD
View
B
Retailer 12
-
$11,779 AUD
View
Most Expensive
B
NZ Jewellers
8fa0dd12-90e9-43ef-9559-2aea23fe6d66 · Nov 5
$12,401 AUD
$8,521 USD
View
12 more retailers have this diamond
Prices start from $4,941 AUDSave up to $7,460 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
$4,941 AUD