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Oval|Natural|GIA

1.51ct H SI1 Oval Natural Diamond

EX • H/SI1 • GIA 7566185764

Certificate GIA 7566185764

Diamond specifications and retailer prices

From $5,097 SGD
As of November 5, 2026
Save $5,411 SGD (51%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $10,508 SGD at Wholesale Diamonds Direct · As of November 6, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7566185764. Listed at 11 retailers as of November 5, 2026, with prices from $5,097 to $10,508, a $5,411 spread on the same certified stone. Wholesale Diamonds Direct lists it at $10,508. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.97°
Pavilion angle39.86°
OriginNatural
Grading LabGIA
CertificateGIA 7566185764
Dimensions8.96 × 6.41 × 4.01 mm
L/W Ratio1.40
Culet sizeNone
Top View
8.96 mm6.41 mm1.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7566185764
Side View
Table 60.0%Crown 41.97°Girdle: MED-THKPavilion 39.86°Culet: NDepth 62.5%

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 5
Current: $7,410 SGD|Low: $4,604 SGD|High: $11,350 SGD|Avg: $7,112 SGD|-5.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Wholesale Diamonds Direct
November 6, 2026
Retailer 3$4,604 SGD
Retailer 4$5,097 SGD
Retailer 6$5,959 SGD
Retailer 5$6,094 SGD
Retailer 7$6,097 SGD
Retailer 2$6,257 SGD
Retailer 11$6,281 SGD
Retailer 9$7,217 SGD
Retailer 10$7,217 SGD
Retailer 1$7,410 SGD
Retailer 8$9,706 SGD
Wholesale Diamonds Direct$10,508 SGD

29 data points across 12 retailers

11 retailers$5,097 SGD to $10,508 SGD

A
Cheapest Retailer
-
$5,097 SGD
A
Retailer 2
-
$5,959 SGD
View
A
Retailer 3
-
$6,094 SGD
View
A
Retailer 4
-
$6,097 SGD
View
A
Retailer 5
-
$6,257 SGD
View
A
Retailer 6
-
$6,281 SGD
View
B+
Retailer 7
-
$7,217 SGD
View
B+
Retailer 8
-
$7,217 SGD
View
B+
Retailer 9
-
$7,410 SGD
View
B+
Retailer 10
-
$9,706 SGD
View
Most Expensive
B
Wholesale Diamonds Direct
564560939 · Nov 6
$10,508 SGD
$8,199 USD
View
10 more retailers have this diamond
Prices start from $5,097 SGDSave up to $5,411 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
$5,097 SGD