Oval|Natural|GIA

1.51ct E SI1 Oval Natural Diamond

ID • E/SI1 • GIA 2538516298

Certificate GIA 2538516298

Diamond specifications and retailer prices

From $7,355 USD
As of November 1, 2026
Save $9,145 USD (55%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $16,500 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2538516298. Listed at 15 retailers as of November 1, 2026, with prices from $7,355 to $16,500, a $9,145 spread on the same certified stone. NZ Jewellers lists it at $16,500. 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
E
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle41.36°
Pavilion angle39.16°
OriginNatural
Grading LabGIA
CertificateGIA 2538516298
Dimensions8.49 × 6.25 × 4.17 mm
L/W Ratio1.36
Top View
8.49 mm6.25 mm1.51 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2538516298
Side View
Table 57.0%Crown 41.36°Girdle: ThickPavilion 39.16°Culet: NoneDepth 66.8%

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 1
Current: $10,719 USD|Low: $7,355 USD|High: $13,914 USD|Avg: $9,836 USD|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 7$7,355 USD
Retailer 9$7,724 USD
Retailer 10$8,205 USD
Retailer 11$8,394 USD
Retailer 4$9,070 USD
Retailer 2$9,075 USD
Retailer 8$9,116 USD
Retailer 3$10,312 USD
Retailer 1$10,719 USD
Retailer 5$12,036 USD
Retailer 6$13,712 USD

46 data points across 11 retailers

15 retailers$7,355 USD to $16,500 USD

A
Cheapest Retailer
-
$7,355 USD
Retailer 2
-
$7,724 USD
View
Price last confirmed 11 days ago
B+
Retailer 3
-
$8,043 USD
View
B+
Retailer 4
-
$8,205 USD
View
Retailer 5
-
$8,250 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$8,394 USD
View
B+
Retailer 7
-
$8,937 USD
View
B+
Retailer 8
-
$9,070 USD
View
B+
Retailer 9
-
$9,075 USD
View
Retailer 10
-
$9,116 USD
View
Price last confirmed 14 days ago
B+
Retailer 11
-
$10,312 USD
View
B+
Retailer 12
-
$10,719 USD
View
B
Retailer 13
-
$12,036 USD
View
B
Retailer 14
-
$13,712 USD
View
Most Expensive
B
NZ Jewellers
bfcda0e1-43b7-44b5-b715-b7633484abd4 · Nov 5
$16,500 USD
View
14 more retailers have this diamond
Prices start from $7,355 USDSave up to $9,145 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
$7,355 USD