Oval|Natural|GIA

1.51ct K SI2 Oval Natural Diamond

ID • K/SI2 • GIA 2447864922

Certificate GIA 2447864922

Diamond specifications and retailer prices

From $3,807 USD
As of November 6, 2026
Save $4,714 USD (55%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $8,521 USD 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 $3,807 to $8,521, a $4,714 spread on the same certified stone. NZ Jewellers lists it at $8,521. 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
Color
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

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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: $8,521 USD|Low: $3,807 USD|High: $8,521 USD|Avg: $5,396 USD
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$3,807 USD
Retailer 6$4,072 USD
Retailer 8$4,616 USD
Retailer 9$4,616 USD
Retailer 11$4,616 USD
Retailer 4$5,017 USD
Retailer 2$5,077 USD
Retailer 10$5,326 USD
Retailer 7$5,763 USD
Retailer 5$8,093 USD
NZ Jewellers$8,521 USD

44 data points across 11 retailers

14 retailers$3,807 USD to $8,521 USD

B+
Cheapest Retailer
-
$3,807 USD
B+
Retailer 2
-
$4,025 USD
View
B+
Retailer 3
-
$4,072 USD
View
B+
Retailer 4
-
$4,583 USD
View
Retailer 5
-
$4,616 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$4,616 USD
View
B+
Retailer 7
-
$4,616 USD
View
B+
Retailer 8
-
$5,017 USD
View
B+
Retailer 9
-
$5,077 USD
View
B
Retailer 10
-
$5,273 USD
View
B
Retailer 11
-
$5,326 USD
View
B
Retailer 12
-
$5,763 USD
View
B
Retailer 13
-
$8,093 USD
View
Most Expensive
C
NZ Jewellers
17671d82-d46a-47d7-843d-2b13f8a86746 · Nov 5
$8,521 USD
View
13 more retailers have this diamond
Prices start from $3,807 USDSave up to $4,714 USD

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
$3,807 USD