Oval|Natural|GIA

1.51ct I SI2 Oval Natural Diamond

EX • I/SI2 • GIA 7551304262

Certificate GIA 7551304262

Diamond specifications and retailer prices

From $3,194 USD
SGD 4,316 SGD
As of October 31, 2026
Save $2,564 USD (45%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $5,758 USD at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two carat band, graded I 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 7551304262. Listed at 9 retailers as of October 26, 2026, with prices from $3,194 to $5,758, a $2,564 spread on the same certified stone. Wholesale Diamonds Direct lists it at $5,758. 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
I
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.88°
Pavilion angle40.13°
OriginNatural
Grading LabGIA
CertificateGIA 7551304262
Dimensions8.92 × 6.41 × 4.03 mm
L/W Ratio1.39
Culet sizeNone
Top View
8.92 mm6.41 mm1.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7551304262
Side View
Table 59.0%Crown 38.88°Girdle: MED-THKPavilion 40.13°Culet: NoneDepth 62.8%

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: Oct 31
Current: $3,693 USD|Low: $2,558 USD|High: $6,212 USD|Avg: $3,997 USD|-5.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Wholesale Diamonds Direct
October 31, 2026
Retailer 2$2,558 USD
Retailer 5$3,194 USD
Retailer 6$3,205 USD
Retailer 4$3,380 USD
Retailer 1$3,693 USD
Retailer 8$3,777 USD
Retailer 9$3,884 USD
Retailer 7$4,067 USD
Retailer 3$4,175 USD
Retailer 10$5,045 USD
Wholesale Diamonds Direct$5,758 USD

37 data points across 11 retailers

9 retailers$3,194 USD to $5,758 USD

A
Cheapest Retailer
-
$3,194 USD
SGD 4,316 SGD
A
Retailer 2
-
$3,205 USD
View
A
Retailer 3
-
$3,380 USD
View
A
Retailer 4
-
$3,693 USD
£2,908 GBP
View
A
Retailer 5
-
$3,777 USD
SGD 5,104 SGD
View
A
Retailer 6
-
$3,884 USD
View
A
Retailer 7
-
$4,067 USD
View
A
Retailer 8
-
$4,175 USD
€3,976 EUR
View
Most Expensive
B+
Wholesale Diamonds Direct
564560933 · Oct 26
$5,758 USD
View
8 more retailers have this diamond
Prices start from $3,194 USDSave up to $2,564 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
$3,194 USD