Round|Natural|GIA

1.50ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 2221294516

Certificate GIA 2221294516

Diamond specifications and retailer prices

From $8,047 SGD
As of November 1, 2026
Save $9,886 SGD (55%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $17,933 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2221294516. Listed at 17 retailers as of November 1, 2026, with prices from $8,047 to $17,933, a $9,886 spread on the same certified stone. NZ Jewellers lists it at $17,933. 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle32.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2221294516
Dimensions7.42 × 7.37 × 4.44 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.42 mm7.37 mm1.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2221294516
Side View
Table 61.0%Crown 32.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 60.3%

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 1
Current: $17,933 SGD|Low: $8,047 SGD|High: $17,933 SGD|Avg: $10,799 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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 12$8,047 SGD
Retailer 16$8,104 SGD
Retailer 5$8,472 SGD
Retailer 6$8,967 SGD
Retailer 14$8,967 SGD
Retailer 3$9,714 SGD
Retailer 15$9,863 SGD
Retailer 2$9,954 SGD
Retailer 7$10,589 SGD
Retailer 13$10,589 SGD
Retailer 8$10,934 SGD
Retailer 10$11,006 SGD
Retailer 9$11,100 SGD
Retailer 4$11,810 SGD
Retailer 11$14,902 SGD
NZ Jewellers$17,933 SGD

40 data points across 16 retailers

17 retailers$8,047 SGD to $17,933 SGD

B+
Cheapest Retailer
-
$8,047 SGD
B+
Retailer 2
-
$8,104 SGD
View
B+
Retailer 3
-
$8,345 SGD
View
B+
Retailer 4
-
$8,472 SGD
View
Retailer 5
-
$8,967 SGD
View
Price last confirmed 8 days ago
B
Retailer 6
-
$8,967 SGD
View
Final sale: no returns
B+
Retailer 7
-
$9,714 SGD
View
B+
Retailer 8
-
$9,863 SGD
View
B+
Retailer 9
-
$9,954 SGD
View
B
Retailer 10
-
$10,589 SGD
View
B
Retailer 11
-
$10,589 SGD
View
B
Retailer 12
-
$10,934 SGD
View
B
Retailer 13
-
$11,006 SGD
View
B
Retailer 14
-
$11,100 SGD
View
Retailer 15
-
$11,810 SGD
View
Price last confirmed 14 days ago
B
Retailer 16
-
$14,902 SGD
View
Most Expensive
B
NZ Jewellers
d93e6d93-a850-4a70-a549-2346a06b03a0 · Nov 5
$17,933 SGD
$14,040 USD
View
16 more retailers have this diamond
Prices start from $8,047 SGDSave up to $9,886 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
$8,047 SGD