Oval|Natural|GIA

1.51ct G SI2 Oval Natural Diamond

EX • G/SI2 • GIA 2556985753

Certificate GIA 2556985753

Diamond specifications and retailer prices

From $3,900 USD
As of November 3, 2026
Save $3,580 USD (48%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $7,480 USD at Jared · As of November 6, 2026
View at Jared

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2556985753. Listed at 9 retailers as of November 3, 2026, with prices from $3,900 to $7,480, a $3,580 spread on the same certified stone. Jared lists it at $7,480. 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
G
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.69°
Pavilion angle39.21°
OriginNatural
Grading LabGIA
CertificateGIA 2556985753
Dimensions8.90 × 6.37 × 4.05 mm
L/W Ratio1.40
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
8.90 mm6.37 mm1.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556985753
Side View
Table 61.0%Crown 38.69°Girdle: STK-VTKPavilion 39.21°Culet: NoneDepth 63.6%

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 3
Current: $7,480 USD|Low: $3,900 USD|High: $7,990 USD|Avg: $6,316 USD|-6.4%
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 4$3,900 USD
Retailer 5$4,050 USD
Retailer 9$5,393 USD
Retailer 10$5,731 USD
Retailer 6$5,753 USD
Retailer 11$6,021 USD
Retailer 8$6,762 USD
Retailer 2$7,110 USD
Retailer 7$7,240 USD
Jared$7,480 USD
Retailer 3$7,804 USD

18 data points across 11 retailers

9 retailers$3,900 USD to $7,480 USD

A
Cheapest Retailer
-
$3,900 USD
A
Retailer 2
-
$4,050 USD
View
A
Retailer 3
-
$5,393 USD
View
A
Retailer 4
-
$5,731 USD
View
Final sale: no returns
A
Retailer 5
-
$5,753 USD
View
B+
Retailer 6
-
$6,762 USD
View
B+
Retailer 7
-
$7,110 USD
View
B+
Retailer 8
-
$7,240 USD
View
Most Expensive
B+
Jared
159925598 · Nov 6
$7,480 USD
View
8 more retailers have this diamond
Prices start from $3,900 USDSave up to $3,580 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
$3,900 USD