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Radiant|Natural|GIA

1.50ct K SI1 Radiant Natural Diamond

EX • K/SI1 • GIA 7558451105

Certificate GIA 7558451105

Diamond specifications and retailer prices

From $4,396 SGD
As of November 7, 2026
Save $3,565 SGD (45%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,961 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 7558451105. Listed at 11 retailers as of November 5, 2026, with prices from $4,396 to $7,961, a $3,565 spread on the same certified stone. NZ Jewellers lists it at $7,961. 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 7558451105
Dimensions7.75 × 5.36 × 3.81 mm
L/W Ratio1.45
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Pinpoint
Top View
7.75 mm5.36 mm1.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7558451105
Side View
Table 64.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 71.0%

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: $7,961 SGD|Low: $4,396 SGD|High: $7,961 SGD|Avg: $5,411 SGD
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$4,396 SGD
Retailer 4$4,433 SGD
Retailer 8$4,569 SGD
Retailer 10$4,569 SGD
Retailer 2$4,728 SGD
Retailer 11$4,744 SGD
Retailer 9$5,273 SGD
Retailer 5$5,319 SGD
Retailer 6$5,578 SGD
Retailer 7$7,620 SGD
NZ Jewellers$7,961 SGD

33 data points across 11 retailers

11 retailers$4,396 SGD to $7,961 SGD

A
Cheapest Retailer
-
$4,396 SGD
A
Retailer 2
-
$4,433 SGD
View
Retailer 3
-
$4,569 SGD
View
Price last confirmed 13 days ago
A
Retailer 4
-
$4,569 SGD
View
A
Retailer 5
-
$4,728 SGD
View
B+
Retailer 6
-
$4,744 SGD
View
B+
Retailer 7
-
$5,273 SGD
View
B+
Retailer 8
-
$5,319 SGD
View
B+
Retailer 9
-
$5,578 SGD
View
B
Retailer 10
-
$7,620 SGD
View
Most Expensive
B
NZ Jewellers
1930ef7e-aff1-4fa7-af8f-e59a4e7b45cd · Nov 5
$7,961 SGD
$6,212 USD
View
10 more retailers have this diamond
Prices start from $4,396 SGDSave up to $3,565 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
$4,396 SGD