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Round|Natural|GIA

1.50ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 6552615208

Certificate GIA 6552615208

Diamond specifications and retailer prices

From $3,857 SGD
As of November 6, 2026
Save $4,870 SGD (56%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $9,094 SGD at NZ Jewellers · As of September 26, 2026
View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552615208. Listed at 16 retailers as of November 2, 2026, with a 126% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6552615208
Dimensions7.31 × 7.34 × 4.55 mm
L/W Ratio1.00
Girdle conditionFaceted
Key to symbols
Twinning Wisp, Feather, Cloud, Indented Natural
Top View
7.31 mm7.34 mm1.50 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6552615208
Side View
Table 56.0%Crown 36°Girdle: THN-MEDPavilion 40.6°Culet: NoneDepth 62.1%

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: $9,094 SGD|Low: $3,826 SGD|High: $9,094 SGD|Avg: $5,794 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
Retailer 15
November 6, 2026
Retailer 13$3,857 SGD
Retailer 14$4,311 SGD
Retailer 15$4,681 SGD
Retailer 7$4,777 SGD
Retailer 10$4,846 SGD
Retailer 8$4,860 SGD
Retailer 11$4,934 SGD
Retailer 3$5,220 SGD
Retailer 6$5,220 SGD
Retailer 5$5,535 SGD
Retailer 9$5,862 SGD
Retailer 4$6,022 SGD
Retailer 2$6,890 SGD
Retailer 12$8,728 SGD
NZ Jewellers$9,094 SGD

43 data points across 15 retailers

16 retailers$3,857 SGD to $8,728 SGD

A
Cheapest Retailer
-
$3,857 SGD
A
Retailer 2
-
$4,311 SGD
View
B+
Retailer 3
-
$4,593 SGD
View
B+
Retailer 4
-
$4,681 SGD
View
B+
Retailer 5
-
$4,777 SGD
View
A
Retailer 6
-
$4,846 SGD
View
B+
Retailer 7
-
$4,860 SGD
View
B+
Retailer 8
-
$4,934 SGD
View
Retailer 9
-
$5,220 SGD
View
Price last confirmed 25 days ago
Retailer 10
-
$5,220 SGD
View
Price last confirmed 38 days ago
B+
Retailer 11
-
$5,535 SGD
View
B+
Retailer 12
-
$5,862 SGD
View
Retailer 13
-
$6,022 SGD
View
Price last confirmed 28 days ago
B
Retailer 14
-
$6,890 SGD
View
B
Retailer 15
-
$8,728 SGD
View
Most Expensive
NZ Jewellers
891b9216-6d5f-4369-b58f-a177430a820d · Sep 26
$9,094 SGD
$7,120 USD
View
Price last confirmed 40 days ago
15 more retailers have this diamond
Prices start from $3,857 SGDSave up to $4,870 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 Round
$3,857 SGD