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Oval|Natural|GIA

1.51ct I SI2 Oval Natural Diamond

EX • I/SI2 • GIA 7551304262

Certificate GIA 7551304262

Diamond specifications and retailer prices

From $4,083 SGD
As of October 31, 2026
Save $3,278 SGD (45%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $7,361 SGD 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 $4,083 to $7,361, a $3,278 spread on the same certified stone. Wholesale Diamonds Direct lists it at $7,361. 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
Colour
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: $4,722 SGD|Low: $3,270 SGD|High: $7,942 SGD|Avg: $5,106 SGD|-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
November 1, 2026
Retailer 2$3,270 SGD
Retailer 5$4,083 SGD
Retailer 6$4,097 SGD
Retailer 4$4,321 SGD
Retailer 1$4,722 SGD
Retailer 8$4,828 SGD
Retailer 9$4,965 SGD
Retailer 7$5,200 SGD
Retailer 3$5,337 SGD
Retailer 10$6,449 SGD
Wholesale Diamonds Direct$7,361 SGD

38 data points across 11 retailers

9 retailers$4,083 SGD to $7,361 SGD

A
Cheapest Retailer
-
$4,083 SGD
A
Retailer 2
-
$4,097 SGD
$3,205 USD
View
A
Retailer 3
-
$4,321 SGD
$3,380 USD
View
A
Retailer 4
-
$4,722 SGD
£2,908 GBP
View
A
Retailer 5
-
$4,828 SGD
View
A
Retailer 6
-
$4,965 SGD
$3,884 USD
View
A
Retailer 7
-
$5,200 SGD
$4,067 USD
View
A
Retailer 8
-
$5,337 SGD
€3,976 EUR
View
Most Expensive
B+
Wholesale Diamonds Direct
564560933 · Oct 26
$7,361 SGD
$5,758 USD
View
8 more retailers have this diamond
Prices start from $4,083 SGDSave up to $3,278 SGD

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
$4,083 SGD