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Round|Natural|GIA

1.50ct K I1 Round Natural Diamond

EX • K/I1 • GIA 7518553388

Certificate GIA 7518553388

Diamond specifications and retailer prices

From $4,021 SGD
As of November 6, 2026
Save $1,842 SGD (31%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $9,098 SGD at NZ Jewellers · As of September 28, 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 7518553388. Listed at 10 retailers as of November 5, 2026, with a 46% 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
FluorescenceFaint
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 7518553388
Dimensions7.25 × 7.31 × 4.58 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Cloud, Crystal, Indented Natural, Needle
Top View
7.25 mm7.31 mm1.50 ctK / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7518553388
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $5,863 SGD|Low: $3,989 SGD|High: $6,214 SGD|Avg: $5,036 SGD|+2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 3$4,021 SGD
Retailer 2$4,215 SGD
Retailer 7$4,629 SGD
Retailer 5$4,897 SGD
Retailer 4$5,222 SGD
Retailer 6$5,222 SGD
Retailer 1$5,863 SGD
Retailer 8$6,214 SGD

38 data points across 8 retailers

10 retailers$4,021 SGD to $5,863 SGD

B+
Cheapest Retailer
-
$4,021 SGD
B+
Retailer 2
-
$4,215 SGD
View
B+
Retailer 3
-
$4,897 SGD
View
Retailer 4
-
$5,222 SGD
View
Price last confirmed 39 days ago
Retailer 5
-
$5,222 SGD
View
Price last confirmed 17 days ago
Retailer 6
-
$5,222 SGD
View
Price last confirmed 38 days ago
Retailer 7
-
$5,222 SGD
View
Price last confirmed 21 days ago
B
Retailer 8
-
$5,863 SGD
View
Retailer 9
-
$6,025 SGD
View
Price last confirmed 38 days ago
Most Expensive
NZ Jewellers
f1ecd3f5-fbce-43c2-9bfc-8d72cadcc38f · Sep 28
$9,098 SGD
$7,123 USD
View
Price last confirmed 39 days ago
9 more retailers have this diamond
Prices start from $4,021 SGDSave up to $1,842 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.

B+
1.50ct Round
$4,021 SGD