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Round|Natural|GIA

1.50ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 1226746537

Certificate GIA 1226746537

Diamond specifications and retailer prices

From $7,970 SGD
$6,234 USD
As of October 30, 2026
Save $9,979 SGD (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $17,949 SGD at NZ Jewellers · As of October 30, 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 1226746537. Listed at 19 retailers as of October 30, 2026, with prices from $7,970 to $17,949, a $9,979 spread on the same certified stone. NZ Jewellers lists it at $17,949. 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
FluorescenceNone
Crown angle33.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1226746537
Dimensions7.35 × 7.31 × 4.52 mm
L/W Ratio1.01
Star length55%
Lower girdle75%
Girdle conditionFaceted
Culet sizeNone
Cert comments
Additional clouds, pinpoints and surface graining are not shown.
Key to symbols
Cloud, Feather, Crystal, Needle, Indented Natural
Top View
7.35 mm7.31 mm1.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1226746537
Side View
Table 60.0%Crown 33.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.9%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $17,949 SGD|Low: $7,797 SGD|High: $17,949 SGD|Avg: $10,858 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 9$7,970 SGD
Retailer 6$8,054 SGD
Retailer 3$8,974 SGD
Retailer 7$8,974 SGD
Retailer 10$9,722 SGD
Retailer 8$9,872 SGD
Retailer 2$10,062 SGD
Retailer 4$11,143 SGD
Retailer 11$11,218 SGD
Retailer 5$15,036 SGD
NZ Jewellers$17,949 SGD

39 data points across 11 retailers

19 retailers$7,970 SGD to $17,949 SGD

B+
Cheapest Retailer
-
$7,970 SGD
$6,234 USD
Retailer 2
-
$8,054 SGD
$6,300 USD
View
Price last confirmed 13 days ago
B+
Retailer 3
-
$8,111 SGD
$6,345 USD
View
B+
Retailer 4
-
$8,352 SGD
A$10,051 AUD
View
B+
Retailer 5
-
$8,480 SGD
$6,633 USD
View
B+
Retailer 6
-
$8,974 SGD
$7,020 USD
View
B
Retailer 7
-
$8,974 SGD
$7,020 USD
View
Final sale: no returns
B
Retailer 8
-
$9,558 SGD
$7,476 USD
View
B+
Retailer 9
-
$9,722 SGD
$7,605 USD
View
B+
Retailer 10
-
$9,872 SGD
$7,722 USD
View
B+
Retailer 11
-
$10,062 SGD
£6,198 GBP
View
B
Retailer 12
-
$10,598 SGD
$8,290 USD
View
B
Retailer 13
-
$10,598 SGD
$8,290 USD
View
B
Retailer 14
-
$10,943 SGD
$8,560 USD
View
B
Retailer 15
-
$11,143 SGD
€8,301 EUR
View
B
Retailer 16
-
$11,218 SGD
$8,775 USD
View
Retailer 17
-
$11,820 SGD
$9,246 USD
View
Price last confirmed 8 days ago
B
Retailer 18
-
$15,036 SGD
£9,261 GBP
View
Most Expensive
B
NZ Jewellers
bce9b288-bbd7-49aa-8d67-ae191e7ce395 · Oct 30
$17,949 SGD
$14,040 USD
View
18 more retailers have this diamond
Prices start from $7,970 SGDSave up to $9,979 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
$7,970 SGD