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Round|Natural|GIA

1.50ct K I1 Round Natural Diamond

EX • K/I1 • GIA 6422643720

Certificate GIA 6422643720

Diamond specifications and retailer prices

From $2,205 SGD
As of November 5, 2026
Save $3,842 SGD (64%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $6,047 SGD at NZ Jewellers · As of November 5, 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 6422643720. Listed at 7 retailers as of November 5, 2026, with prices from $2,205 to $6,047, a $3,842 spread on the same certified stone. NZ Jewellers lists it at $6,047. 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
SymmetryVery Good
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6422643720
Dimensions7.28 × 7.31 × 4.56 mm
L/W Ratio1.00
Top View
7.28 mm7.31 mm1.50 ctK / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6422643720
Side View
Table 56.0%Crown 35°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $6,047 SGD|Low: $2,205 SGD|High: $6,047 SGD|Avg: $3,156 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 2$2,205 SGD
Retailer 6$2,612 SGD
Retailer 4$2,892 SGD
Retailer 5$2,892 SGD
Retailer 8$2,894 SGD
Retailer 3$3,026 SGD
Retailer 7$3,338 SGD
NZ Jewellers$6,047 SGD

41 data points across 8 retailers

7 retailers$2,205 SGD to $6,047 SGD

A
Cheapest Retailer
-
$2,205 SGD
B+
Retailer 2
-
$2,612 SGD
View
Retailer 3
-
$2,892 SGD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$2,892 SGD
View
B+
Retailer 5
-
$3,026 SGD
View
B+
Retailer 6
-
$3,338 SGD
View
Most Expensive
B
NZ Jewellers
884c886c-b087-48e7-9b7a-18db6065c35b · Nov 5
$6,047 SGD
$4,734 USD
View
6 more retailers have this diamond
Prices start from $2,205 SGDSave up to $3,842 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.

A
1.50ct Round
$2,205 SGD