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Round|Natural|GIA

1.50ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2537064163

Certificate GIA 2537064163

Diamond specifications and retailer prices

From $6,825 SGD
As of November 1, 2026
Save $8,432 SGD (55%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $15,256 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 2537064163. Listed at 27 retailers as of November 1, 2026, with prices from $6,825 to $15,256, a $8,432 spread on the same certified stone. NZ Jewellers lists it at $15,256. 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 angle32°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2537064163
Dimensions7.33 × 7.39 × 4.50 mm
L/W Ratio1.01
Star length50%
Top View
7.33 mm7.39 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2537064163
Side View
Table 57.0%Crown 32°Girdle: Medium to Slightly ThickPavilion 41.4°Culet: NoneDepth 61.2%

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 1
Current: $15,256 SGD|Low: $6,825 SGD|High: $15,256 SGD|Avg: $8,827 SGD
NZ Jewellers
Retailer 2
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Retailer 25
Retailer 26
Retailer 27
November 6, 2026
Retailer 4$6,825 SGD
Retailer 7$6,913 SGD
Retailer 8$7,005 SGD
Retailer 14$7,208 SGD
Retailer 26$7,214 SGD
Retailer 9$7,303 SGD
Retailer 15$7,627 SGD
Retailer 3$7,677 SGD
Retailer 20$7,890 SGD
Retailer 17$8,077 SGD
Retailer 10$8,137 SGD
Retailer 5$8,264 SGD
Retailer 6$8,264 SGD
Retailer 11$8,264 SGD
Retailer 18$8,415 SGD
Retailer 25$8,416 SGD
Retailer 13$8,603 SGD
Retailer 27$8,853 SGD
Retailer 19$9,010 SGD
Retailer 2$9,330 SGD
Retailer 16$9,330 SGD
Retailer 12$9,535 SGD
Retailer 21$9,690 SGD
Retailer 22$11,129 SGD
Retailer 24$13,225 SGD
Retailer 23$13,402 SGD
NZ Jewellers$15,256 SGD

31 data points across 27 retailers

27 retailers$6,825 SGD to $15,256 SGD

A
Cheapest Retailer
-
$6,825 SGD
A
Retailer 2
-
$6,913 SGD
View
A
Retailer 3
-
$7,005 SGD
View
B+
Retailer 4
-
$7,208 SGD
View
B+
Retailer 5
-
$7,214 SGD
View
B+
Retailer 6
-
$7,303 SGD
View
B+
Retailer 7
-
$7,627 SGD
View
Final sale: no returns
B+
Retailer 8
-
$7,677 SGD
View
B+
Retailer 9
-
$7,890 SGD
View
B+
Retailer 10
-
$8,077 SGD
View
B+
Retailer 11
-
$8,137 SGD
View
Retailer 12
-
$8,264 SGD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$8,264 SGD
View
B+
Retailer 14
-
$8,264 SGD
View
Retailer 15
-
$8,415 SGD
View
Price last confirmed 22 days ago
B+
Retailer 16
-
$8,416 SGD
View
B+
Retailer 17
-
$8,603 SGD
View
Retailer 18
-
$8,853 SGD
View
Price last confirmed 15 days ago
B
Retailer 19
-
$9,010 SGD
View
B+
Retailer 20
-
$9,330 SGD
View
B
Retailer 21
-
$9,330 SGD
View
B
Retailer 22
-
$9,535 SGD
View
B+
Retailer 23
-
$9,690 SGD
View
B
Retailer 24
-
$11,129 SGD
View
B
Retailer 25
-
$13,225 SGD
View
B
Retailer 26
-
$13,402 SGD
View
Most Expensive
B
NZ Jewellers
7b07b6b6-6dda-4fb1-b157-9c3c62e51643 · Nov 5
$15,256 SGD
$11,904 USD
View
26 more retailers have this diamond
Prices start from $6,825 SGDSave up to $8,432 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
$6,825 SGD