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Round|Natural|GIA

1.53ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 3525486689

Certificate GIA 3525486689

Diamond specifications and retailer prices

From $5,309 SGD
$4,141 USD
As of October 28, 2026
Save $5,888 SGD (53%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $11,582 SGD at NZ Jewellers · As of October 20, 2026
View at NZ Jewellers

About this 1.53ct natural round diamond

This 1.53ct 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 3525486689. Listed at 12 retailers as of October 28, 2026, with a 111% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.53
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 3525486689
Dimensions7.45 × 7.40 × 4.51 mm
L/W Ratio1.01
Star length50%
Top View
7.45 mm7.40 mm1.53 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3525486689
Side View
Table 59.0%Crown 33°Girdle: MED-THKPavilion 41°Culet: NoneDepth 60.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $11,198 SGD|Low: $4,826 SGD|High: $11,198 SGD|Avg: $7,215 SGD|+1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 5$5,309 SGD
Retailer 4$5,791 SGD
Retailer 7$6,193 SGD
Retailer 2$6,421 SGD
Retailer 8$7,103 SGD
Retailer 9$7,103 SGD
Retailer 6$7,334 SGD
Retailer 3$7,901 SGD
Retailer 10$8,140 SGD
Retailer 1$11,198 SGD

26 data points across 10 retailers

12 retailers$5,309 SGD to $11,198 SGD

A
Cheapest Retailer
-
$5,309 SGD
$4,141 USD
A
Retailer 2
-
$5,791 SGD
$4,517 USD
View
Final sale: no returns
A
Retailer 3
-
$6,193 SGD
$4,830 USD
View
A
Retailer 4
-
$6,273 SGD
$4,893 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$6,273 SGD
$4,893 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
$7,103 SGD
$5,540 USD
View
B+
Retailer 7
-
$7,103 SGD
$5,540 USD
View
B+
Retailer 8
-
$7,239 SGD
$5,646 USD
View
B+
Retailer 9
-
$7,334 SGD
$5,720 USD
View
B+
Retailer 10
-
$7,901 SGD
€5,869 EUR
View
B
Retailer 11
-
$11,198 SGD
£6,877 GBP
View
Most Expensive
B
NZ Jewellers
d227b673-5ee7-40bc-899e-681f71329b29 · Oct 20
$11,582 SGD
$9,034 USD
View
Price last confirmed 8 days ago
11 more retailers have this diamond
Prices start from $5,309 SGDSave up to $5,888 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
1.53ct Round
$5,309 SGD