Oval|Natural|GIA

1.51ct L SI2 Oval Natural Diamond

ID • L/SI2 • GIA 9

Certificate GIA 9

Diamond specifications and retailer prices

From $4,171 USD
As of November 6, 2026
Save $5,037 USD (55%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $9,208 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 L 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. Listed at 7 retailers as of November 5, 2026, with prices from $4,171 to $9,208, a $5,037 spread on the same certified stone. NZ Jewellers lists it at $9,208. 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
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 9
Dimensions8.76 × 6.52 × 4.10 mm
L/W Ratio1.34
Top View
8.76 mm6.52 mm1.51 ctL / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 9
Side View
Table 59.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 63.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: $9,208 USD|Low: $4,171 USD|High: $9,208 USD|Avg: $5,540 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
September 29, 2026
Retailer 3$4,171 USD
Retailer 7$4,403 USD
Retailer 2$4,988 USD
Retailer 4$4,988 USD
Retailer 6$4,988 USD
Retailer 5$5,755 USD
NZ Jewellers$9,208 USD

2 data points across 7 retailers

7 retailers$4,171 USD to $9,208 USD

B
Cheapest Retailer
-
$4,171 USD
B
Retailer 2
-
$4,403 USD
View
Retailer 3
-
$4,988 USD
View
Price last confirmed 8 days ago
B
Retailer 4
-
$4,988 USD
View
B
Retailer 5
-
$4,988 USD
View
B
Retailer 6
-
$5,755 USD
View
Most Expensive
C
NZ Jewellers
13569b01-be51-4891-8d48-5415c6f2616a · Nov 5
$9,208 USD
View
6 more retailers have this diamond
Prices start from $4,171 USDSave up to $5,037 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
$4,171 USD