Oval|Natural|GIA

1.51ct K SI2 Oval Natural Diamond

EX • K/SI2 • GIA 5393552506

Certificate GIA 5393552506

Diamond specifications and retailer prices

From $3,337 USD
As of November 6, 2026
Save $4,628 USD (58%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $7,965 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 5393552506. Listed at 13 retailers as of November 5, 2026, with prices from $3,337 to $7,965, a $4,628 spread on the same certified stone. NZ Jewellers lists it at $7,965. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 5393552506
Dimensions8.96 × 6.30 × 3.83 mm
L/W Ratio1.42
Top View
8.96 mm6.30 mm1.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 5393552506
Side View
Table 58.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 60.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $7,965 USD|Low: $3,337 USD|High: $7,965 USD|Avg: $4,949 USD
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
November 6, 2026
Retailer 8$3,337 USD
Retailer 3$3,644 USD
Retailer 5$4,142 USD
Retailer 11$4,142 USD
Retailer 13$4,142 USD
Retailer 4$4,209 USD
Retailer 6$4,501 USD
Retailer 2$4,550 USD
Retailer 12$4,779 USD
Retailer 9$5,171 USD
Retailer 10$6,614 USD
Retailer 7$7,261 USD
NZ Jewellers$7,965 USD

43 data points across 13 retailers

13 retailers$3,337 USD to $7,965 USD

A
Cheapest Retailer
-
$3,337 USD
B+
Retailer 2
-
$3,644 USD
View
Retailer 3
-
$4,142 USD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$4,142 USD
View
B+
Retailer 5
-
$4,142 USD
View
B+
Retailer 6
-
$4,209 USD
View
B+
Retailer 7
-
$4,501 USD
View
B+
Retailer 8
-
$4,550 USD
View
B+
Retailer 9
-
$4,779 USD
View
B
Retailer 10
-
$5,171 USD
View
B
Retailer 11
-
$6,614 USD
View
B
Retailer 12
-
$7,261 USD
View
Most Expensive
B
NZ Jewellers
190de76b-41cc-49dd-905a-593ead80c1cb · Nov 5
$7,965 USD
View
12 more retailers have this diamond
Prices start from $3,337 USDSave up to $4,628 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.

A
1.51ct Oval
$3,337 USD