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Round|Natural|GIA

1.53ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1232503296

Certificate GIA 1232503296

Diamond specifications and retailer prices

From $7,030 SGD
As of November 1, 2026
Save $5,902 SGD (46%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $15,612 SGD at NZ Jewellers · As of September 28, 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 GIA 1232503296. Listed at 21 retailers as of November 1, 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 angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1232503296
Dimensions7.34 × 7.29 × 4.53 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud
Top View
7.34 mm7.29 mm1.53 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1232503296
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.1%

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: Nov 1
Current: $8,775 SGD|Low: $7,030 SGD|High: $13,166 SGD|Avg: $8,975 SGD|+1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 6$7,030 SGD
Retailer 2$7,351 SGD
Retailer 8$7,779 SGD
Retailer 13$7,781 SGD
Retailer 4$7,824 SGD
Retailer 5$8,296 SGD
Retailer 9$8,382 SGD
Retailer 7$8,428 SGD
Retailer 15$8,559 SGD
Retailer 1$8,775 SGD
Retailer 17$9,029 SGD
Retailer 10$9,276 SGD
Retailer 16$9,317 SGD
Retailer 18$9,317 SGD
Retailer 3$9,625 SGD
Retailer 14$10,253 SGD
Retailer 11$11,351 SGD
Retailer 12$12,931 SGD

45 data points across 18 retailers

21 retailers$7,030 SGD to $12,931 SGD

A
Cheapest Retailer
-
$7,030 SGD
A
Retailer 2
-
$7,351 SGD
View
B+
Retailer 3
-
$7,779 SGD
View
Final sale: no returns
Retailer 4
-
$7,781 SGD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$7,824 SGD
View
B+
Retailer 6
-
$8,296 SGD
View
B+
Retailer 7
-
$8,382 SGD
View
B+
Retailer 8
-
$8,428 SGD
View
Retailer 9
-
$8,457 SGD
View
Price last confirmed 39 days ago
B+
Retailer 10
-
$8,559 SGD
View
B+
Retailer 11
-
$8,775 SGD
View
Retailer 12
-
$9,029 SGD
View
Price last confirmed 15 days ago
B+
Retailer 13
-
$9,276 SGD
View
B+
Retailer 14
-
$9,317 SGD
View
B+
Retailer 15
-
$9,317 SGD
View
B
Retailer 16
-
$9,625 SGD
View
Retailer 17
-
$9,758 SGD
View
Price last confirmed 38 days ago
Retailer 18
-
$10,253 SGD
View
Price last confirmed 14 days ago
B
Retailer 19
-
$11,351 SGD
View
B
Retailer 20
-
$12,931 SGD
View
Most Expensive
NZ Jewellers
31c363f7-2741-4b40-8324-1d435581678b · Sep 28
$15,612 SGD
$12,182 USD
View
Price last confirmed 39 days ago
20 more retailers have this diamond
Prices start from $7,030 SGDSave up to $5,902 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
$7,030 SGD