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Radiant|Natural|GIA

1.50ct K SI1 Radiant Natural Diamond

EX • K/SI1 • GIA 2554814067

Certificate GIA 2554814067

Diamond specifications and retailer prices

From $5,120 SGD
As of November 7, 2026
Save $4,223 SGD (45%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $9,343 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural radiant diamond

This 1.5ct natural radiant 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 2554814067. Listed at 11 retailers as of November 5, 2026, with prices from $5,120 to $9,343, a $4,223 spread on the same certified stone. NZ Jewellers lists it at $9,343. 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
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2554814067
Dimensions8.21 × 5.67 × 3.80 mm
L/W Ratio1.45
Culet sizeNone
Top View
8.21 mm5.67 mm1.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2554814067
Side View
Table 67.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.0%

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 7
Current: $9,343 SGD|Low: $5,120 SGD|High: $9,935 SGD|Avg: $6,423 SGD|-6.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 3$5,120 SGD
Retailer 4$5,202 SGD
Retailer 8$5,362 SGD
Retailer 10$5,362 SGD
Retailer 11$5,362 SGD
Retailer 2$5,431 SGD
Retailer 5$6,034 SGD
Retailer 9$6,188 SGD
Retailer 6$6,545 SGD
Retailer 7$8,943 SGD
NZ Jewellers$9,343 SGD

29 data points across 11 retailers

11 retailers$5,120 SGD to $9,343 SGD

A
Cheapest Retailer
-
$5,120 SGD
B+
Retailer 2
-
$5,202 SGD
View
B+
Retailer 3
-
$5,362 SGD
View
Retailer 4
-
$5,362 SGD
View
Price last confirmed 9 days ago
B+
Retailer 5
-
$5,362 SGD
View
B+
Retailer 6
-
$5,431 SGD
View
B+
Retailer 7
-
$6,034 SGD
View
B+
Retailer 8
-
$6,188 SGD
View
B+
Retailer 9
-
$6,545 SGD
View
B
Retailer 10
-
$8,943 SGD
View
Most Expensive
B
NZ Jewellers
ed42692b-97ac-4d77-86b6-d376420476bd · Nov 5
$9,343 SGD
$7,290 USD
View
10 more retailers have this diamond
Prices start from $5,120 SGDSave up to $4,223 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 Radiant
$5,120 SGD