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Oval|Natural|GIA

1.51ct K SI2 Oval Natural Diamond

ID • K/SI2 • GIA 2447864922

Certificate GIA 2447864922

Diamond specifications and retailer prices

From $5,541 AUD
As of November 6, 2026
Save $6,861 AUD (55%) vs most expensive(unlock to see where)
14 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 2447864922. Listed at 14 retailers as of November 5, 2026, with prices from $5,541 to $12,401, a $6,861 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2447864922
Dimensions8.59 × 6.28 × 4.07 mm
L/W Ratio1.37
Top View
8.59 mm6.28 mm1.51 ctK / SI2
OriginNatural
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2447864922
Side View
Table 61.0%CrownGirdle: UNDPavilionCulet: NDepth 64.8%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $12,401 AUD|Low: $5,541 AUD|High: $12,401 AUD|Avg: $7,854 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 3$5,541 AUD
Retailer 6$5,926 AUD
Retailer 8$6,718 AUD
Retailer 9$6,718 AUD
Retailer 11$6,718 AUD
Retailer 4$7,302 AUD
Retailer 2$7,389 AUD
Retailer 10$7,751 AUD
Retailer 7$8,387 AUD
Retailer 5$11,779 AUD
NZ Jewellers$12,401 AUD

44 data points across 11 retailers

14 retailers$5,541 AUD to $12,401 AUD

B+
Cheapest Retailer
-
$5,541 AUD
B+
Retailer 2
-
$5,858 AUD
View
B+
Retailer 3
-
$5,926 AUD
View
B+
Retailer 4
-
$6,670 AUD
View
Retailer 5
-
$6,718 AUD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$6,718 AUD
View
B+
Retailer 7
-
$6,718 AUD
View
B+
Retailer 8
-
$7,302 AUD
View
B+
Retailer 9
-
$7,389 AUD
View
B
Retailer 10
-
$7,674 AUD
View
B
Retailer 11
-
$7,751 AUD
View
B
Retailer 12
-
$8,387 AUD
View
B
Retailer 13
-
$11,779 AUD
View
Most Expensive
C
NZ Jewellers
17671d82-d46a-47d7-843d-2b13f8a86746 · Nov 5
$12,401 AUD
$8,521 USD
View
13 more retailers have this diamond
Prices start from $5,541 AUDSave up to $6,861 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
$5,541 AUD