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Oval|Natural|GIA

1.51ct K SI2 Oval Natural Diamond

VG • K/SI2 • GIA 6565197871

Certificate GIA 6565197871

Diamond specifications and retailer prices

From $3,500 SGD
As of November 4, 2026
Save $2,888 SGD (45%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $6,388 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 6565197871. Listed at 13 retailers as of November 4, 2026, with prices from $3,500 to $6,388, a $2,888 spread on the same certified stone. Wholesale Diamonds Direct lists it at $6,388. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
K
Colour
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle41.26°
Pavilion angle39.76°
OriginNatural
Grading LabGIA
CertificateGIA 6565197871
Dimensions8.83 × 6.22 × 4.02 mm
L/W Ratio1.42
Culet sizeNone
Top View
8.83 mm6.22 mm1.51 ctK / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6565197871
Side View
Table 59.0%Crown 41.26°Girdle: STK-VTKPavilion 39.76°Culet: NoneDepth 64.6%

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 4
Current: $4,856 SGD|Low: $3,500 SGD|High: $6,698 SGD|Avg: $4,469 SGD|-6.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Wholesale Diamonds Direct
November 6, 2026
Retailer 9$3,500 SGD
Retailer 7$3,585 SGD
Retailer 10$3,774 SGD
Retailer 4$3,947 SGD
Retailer 6$4,063 SGD
Retailer 3$4,218 SGD
Retailer 8$4,472 SGD
Retailer 12$4,504 SGD
Retailer 11$4,511 SGD
Retailer 2$4,615 SGD
Retailer 5$4,664 SGD
Retailer 1$4,856 SGD
Wholesale Diamonds Direct$6,388 SGD

25 data points across 13 retailers

13 retailers$3,500 SGD to $6,388 SGD

A
Cheapest Retailer
-
$3,500 SGD
A
Retailer 2
-
$3,585 SGD
View
A
Retailer 3
-
$3,774 SGD
View
Retailer 4
-
$3,947 SGD
View
Price last confirmed 16 days ago
A
Retailer 5
-
$4,063 SGD
View
A
Retailer 6
-
$4,218 SGD
View
B+
Retailer 7
-
$4,472 SGD
View
B+
Retailer 8
-
$4,504 SGD
View
B+
Retailer 9
-
$4,511 SGD
View
B+
Retailer 10
-
$4,615 SGD
View
B+
Retailer 11
-
$4,664 SGD
View
B+
Retailer 12
-
$4,856 SGD
View
Most Expensive
B
Wholesale Diamonds Direct
323846498 · Nov 6
$6,388 SGD
$4,984 USD
View
12 more retailers have this diamond
Prices start from $3,500 SGDSave up to $2,888 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
$3,500 SGD