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Round|Natural|IGI

1.53ct I SI1 Round Natural Diamond

EX • I/SI1 • IGI 613373467

Shape and cutting style on the report: Round brilliant

Certificate IGI 613373467

Diamond specifications and retailer prices

From $4,938 SGD
As of November 5, 2026
Save $4,125 SGD (46%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $9,916 SGD at NZ Jewellers · As of September 19, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 613373467. Listed at 13 retailers as of November 2, 2026, with a 84% 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.3°
OriginNatural
Grading LabIGI
CertificateIGI 613373467
Dimensions7.32 × 7.38 × 4.59 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.32 mm7.38 mm1.53 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 613373467
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 62.5%

Caratlytics Score

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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 5
Current: $6,303 SGD|Low: $4,938 SGD|High: $9,426 SGD|Avg: $6,157 SGD|+0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 4$4,938 SGD
Retailer 7$5,021 SGD
Retailer 5$5,319 SGD
Retailer 8$5,692 SGD
Retailer 9$5,692 SGD
Retailer 3$5,756 SGD
Retailer 1$6,303 SGD
Retailer 2$6,848 SGD
Retailer 6$9,063 SGD

29 data points across 9 retailers

13 retailers$4,938 SGD to $9,063 SGD

A
Cheapest Retailer
-
$4,938 SGD
A
Retailer 2
-
$5,021 SGD
View
A
Retailer 3
-
$5,319 SGD
View
Retailer 4
-
$5,384 SGD
View
Price last confirmed 102 days ago
Retailer 5
-
$5,692 SGD
View
Price last confirmed 15 days ago
Retailer 6
-
$5,692 SGD
View
Price last confirmed 44 days ago
A
Retailer 7
-
$5,756 SGD
View
Retailer 8
-
$5,848 SGD
View
Price last confirmed 21 days ago
A
Retailer 9
-
$6,303 SGD
View
Retailer 10
-
$6,567 SGD
View
Price last confirmed 45 days ago
A
Retailer 11
-
$6,848 SGD
View
B+
Retailer 12
-
$9,063 SGD
View
Most Expensive
NZ Jewellers
57435ee5-5f98-4740-983b-2bdd6d5917a4 · Sep 19
$9,916 SGD
$7,737 USD
View
Price last confirmed 47 days ago
12 more retailers have this diamond
Prices start from $4,938 SGDSave up to $4,125 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
$4,938 SGD