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Oval|Natural|GIA

1.50ct K SI1 Oval Natural Diamond

EX • K/SI1 • GIA 3565306369

Certificate GIA 3565306369

Diamond specifications and retailer prices

From $3,674 SGD
As of November 6, 2026
Save $4,815 SGD (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $8,489 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural oval diamond

This 1.5ct natural oval sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3565306369. Listed at 18 retailers as of November 5, 2026, with prices from $3,674 to $8,489, a $4,815 spread on the same certified stone. NZ Jewellers lists it at $8,489. 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

1.50
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3565306369
Dimensions8.82 × 6.44 × 4.08 mm
L/W Ratio1.37
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Indented Natural, Cavity, Needle
Top View
8.82 mm6.44 mm1.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 3565306369
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.4%

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 6
Current: $8,489 SGD|Low: $3,674 SGD|High: $8,489 SGD|Avg: $5,300 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 6, 2026
Retailer 13$3,674 SGD
Retailer 9$3,708 SGD
Retailer 2$3,869 SGD
Retailer 6$4,396 SGD
Retailer 7$4,727 SGD
Retailer 5$4,873 SGD
Retailer 14$4,873 SGD
Retailer 10$5,043 SGD
Retailer 3$5,060 SGD
Retailer 4$5,622 SGD
Retailer 12$5,703 SGD
Retailer 8$5,948 SGD
Retailer 11$8,128 SGD
NZ Jewellers$8,489 SGD

26 data points across 14 retailers

18 retailers$3,674 SGD to $8,489 SGD

A
Cheapest Retailer
-
$3,674 SGD
A
Retailer 2
-
$3,708 SGD
View
A
Retailer 3
-
$3,869 SGD
View
Retailer 4
-
$4,396 SGD
View
Price last confirmed 16 days ago
B+
Retailer 5
-
$4,413 SGD
View
B+
Retailer 6
-
$4,474 SGD
View
B+
Retailer 7
-
$4,479 SGD
View
A
Retailer 8
-
$4,727 SGD
View
B+
Retailer 9
-
$4,873 SGD
View
Retailer 10
-
$4,873 SGD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$5,043 SGD
View
B+
Retailer 12
-
$5,060 SGD
View
B+
Retailer 13
-
$5,060 SGD
View
B+
Retailer 14
-
$5,622 SGD
View
B+
Retailer 15
-
$5,703 SGD
View
B+
Retailer 16
-
$5,948 SGD
View
B
Retailer 17
-
$8,128 SGD
View
Most Expensive
B
NZ Jewellers
b986c585-85e7-4018-a6ad-fef76a073818 · Nov 5
$8,489 SGD
$6,624 USD
View
17 more retailers have this diamond
Prices start from $3,674 SGDSave up to $4,815 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
1.50ct Oval
$3,674 SGD