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Round|Natural|GIA

1.50ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 3555882902

Certificate GIA 3555882902

Diamond specifications and retailer prices

From $2,656 SGD
As of November 5, 2026
Save $7,777 SGD (75%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $10,433 SGD at NZ Jewellers · As of November 2, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3555882902. Listed at 13 retailers as of November 2, 2026, with prices from $2,656 to $10,433, a $7,777 spread on the same certified stone. NZ Jewellers lists it at $10,433. 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

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 3555882902
Dimensions7.24 × 7.29 × 4.56 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.24 mm7.29 mm1.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555882902
Side View
Table 58.0%Crown 36°Girdle: THN-STKPavilion 41.2°Culet: NoneDepth 62.7%

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 5
Current: $10,433 SGD|Low: $2,521 SGD|High: $10,484 SGD|Avg: $4,326 SGD|-0.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 5, 2026
Retailer 6$2,521 SGD
Retailer 2$2,656 SGD
Retailer 12$3,261 SGD
Retailer 4$3,611 SGD
Retailer 11$3,861 SGD
Retailer 13$3,889 SGD
Retailer 3$4,034 SGD
Retailer 7$4,177 SGD
Retailer 5$5,057 SGD
Retailer 9$5,426 SGD
Retailer 14$5,522 SGD
Retailer 8$5,988 SGD
Retailer 10$5,988 SGD
NZ Jewellers$10,433 SGD

30 data points across 14 retailers

13 retailers$2,656 SGD to $10,433 SGD

A
Cheapest Retailer
-
$2,656 SGD
A
Retailer 2
-
$3,261 SGD
View
A
Retailer 3
-
$3,611 SGD
View
A
Retailer 4
-
$3,861 SGD
View
A
Retailer 5
-
$3,889 SGD
View
A
Retailer 6
-
$4,034 SGD
View
A
Retailer 7
-
$4,177 SGD
View
B+
Retailer 8
-
$5,057 SGD
View
B+
Retailer 9
-
$5,426 SGD
View
B+
Retailer 10
-
$5,522 SGD
View
B+
Retailer 11
-
$5,988 SGD
View
B+
Retailer 12
-
$5,988 SGD
View
Most Expensive
B
NZ Jewellers
17da86bd-d81d-4784-8543-95fe10cd3d01 · Nov 2
$10,433 SGD
$8,168 USD
View
12 more retailers have this diamond
Prices start from $2,656 SGDSave up to $7,777 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
$2,656 SGD