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1.50ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6233939765

Certificate GIA 6233939765

Diamond specifications and retailer prices

From $7,467 SGD
As of November 6, 2026
Save $9,335 SGD (56%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $16,802 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6233939765. Listed at 26 retailers as of November 5, 2026, with prices from $7,467 to $16,802, a $9,335 spread on the same certified stone. NZ Jewellers lists it at $16,802. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6233939765
Dimensions7.22 × 7.28 × 4.47 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
7.22 mm7.28 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6233939765
Side View
Table 61.0%Crown 35.5°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 61.7%

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: $10,276 SGD|Low: $7,286 SGD|High: $14,073 SGD|Avg: $10,075 SGD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8$7,467 SGD
Retailer 7$8,015 SGD
Retailer 2$9,258 SGD
Retailer 6$9,685 SGD
Retailer 1$10,276 SGD
Retailer 4$10,293 SGD
Retailer 3$12,256 SGD
Retailer 5$13,962 SGD

44 data points across 8 retailers

26 retailers$7,467 SGD to $16,802 SGD

B+
Cheapest Retailer
-
$7,467 SGD
B+
Retailer 2
-
$7,582 SGD
View
B+
Retailer 3
-
$7,936 SGD
View
B+
Retailer 4
-
$8,015 SGD
View
Final sale: no returns
B+
Retailer 5
-
$8,046 SGD
View
B+
Retailer 6
-
$8,343 SGD
View
Retailer 7
-
$8,401 SGD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$8,427 SGD
View
B+
Retailer 9
-
$8,944 SGD
View
B+
Retailer 10
-
$9,101 SGD
View
B+
Retailer 11
-
$9,258 SGD
View
B
Retailer 12
-
$9,272 SGD
View
B
Retailer 13
-
$9,603 SGD
View
Retailer 14
-
$9,685 SGD
View
Price last confirmed 15 days ago
B+
Retailer 15
-
$10,073 SGD
View
B+
Retailer 16
-
$10,073 SGD
View
B+
Retailer 17
-
$10,126 SGD
View
B+
Retailer 18
-
$10,276 SGD
View
B+
Retailer 19
-
$10,293 SGD
View
B
Retailer 20
-
$10,407 SGD
View
B
Retailer 21
-
$10,500 SGD
View
B
Retailer 22
-
$11,060 SGD
View
Retailer 23
-
$11,068 SGD
View
Price last confirmed 14 days ago
B
Retailer 24
-
$12,256 SGD
View
B
Retailer 25
-
$13,962 SGD
View
Most Expensive
B
NZ Jewellers
88894d16-2cac-4304-82c2-a7849fbcd248 · Nov 5
$16,802 SGD
$13,110 USD
View
25 more retailers have this diamond
Prices start from $7,467 SGDSave up to $9,335 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
$7,467 SGD