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Round|Natural|GIA

1.50ct K I1 Round Natural Diamond

EX • K/I1 • GIA 2558416995

Certificate GIA 2558416995

Diamond specifications and retailer prices

From $2,926 SGD
As of November 6, 2026
Save $3,002 SGD (51%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $7,878 SGD at NZ Jewellers · As of October 17, 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 I1 clarity (included), with a top-tier cut grade and certified by GIA 2558416995. Listed at 14 retailers as of November 4, 2026, with a 103% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
K
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2558416995
Dimensions7.28 × 7.32 × 4.53 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
7.28 mm7.32 mm1.50 ctK / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2558416995
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.5%

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: $7,120 SGD|Low: $2,828 SGD|High: $7,120 SGD|Avg: $4,337 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
November 5, 2026
Retailer 8$2,926 SGD
Retailer 5$3,087 SGD
Retailer 6$3,187 SGD
Retailer 12$3,253 SGD
Retailer 10$3,391 SGD
Retailer 4$3,564 SGD
Retailer 9$3,606 SGD
Retailer 3$4,112 SGD
Retailer 2$4,427 SGD
Retailer 11$5,191 SGD
Retailer 7$5,928 SGD
NZ Jewellers$7,120 SGD

27 data points across 12 retailers

14 retailers$2,926 SGD to $5,928 SGD

A
Cheapest Retailer
-
$2,926 SGD
A
Retailer 2
-
$3,087 SGD
View
A
Retailer 3
-
$3,187 SGD
View
Final sale: no returns
A
Retailer 4
-
$3,391 SGD
View
Retailer 5
-
$3,564 SGD
View
Price last confirmed 21 days ago
Retailer 6
-
$3,564 SGD
View
Price last confirmed 29 days ago
A
Retailer 7
-
$3,606 SGD
View
Retailer 8
-
$3,700 SGD
View
Price last confirmed 22 days ago
Retailer 9
-
$4,112 SGD
View
Price last confirmed 28 days ago
B+
Retailer 10
-
$4,427 SGD
View
B
Retailer 11
-
$5,928 SGD
View
Retailer 12
-
$7,120 SGD
View
Price last confirmed 42 days ago
Retailer 13
-
$7,450 SGD
View
Price last confirmed 39 days ago
Most Expensive
NZ Jewellers
c7a6efa9-6a5a-437c-9a7d-adf5314be66a · Oct 17
$7,878 SGD
$6,168 USD
View
Price last confirmed 20 days ago
13 more retailers have this diamond
Prices start from $2,926 SGDSave up to $3,002 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
$2,926 SGD