Round|Natural|GIA

1.53ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1232503296

Certificate GIA 1232503296

Diamond specifications and retailer prices

From €4,910 EUR
$5,485 USD
As of November 1, 2026
Save €4,146 EUR (46%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €10,904 EUR 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
Color
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: €9,055 EUR|Low: €4,910 EUR|High: €9,195 EUR|Avg: €6,164 EUR|-0.5%
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 1, 2026
Retailer 6€4,910 EUR
Retailer 2€5,134 EUR
Retailer 8€5,433 EUR
Retailer 13€5,434 EUR
Retailer 4€5,465 EUR
Retailer 5€5,795 EUR
Retailer 9€5,854 EUR
Retailer 7€5,886 EUR
Retailer 15€5,977 EUR
Retailer 11€6,189 EUR
Retailer 17€6,307 EUR
Retailer 10€6,479 EUR
Retailer 16€6,507 EUR
Retailer 18€6,507 EUR
Retailer 3€6,722 EUR
Retailer 14€7,161 EUR
Retailer 12€7,983 EUR
Retailer 1€9,055 EUR

43 data points across 18 retailers

21 retailers€4,910 EUR to €9,055 EUR

A
Cheapest Retailer
-
€4,910 EUR
$5,485 USD
A
Retailer 2
-
€5,134 EUR
$5,736 USD
View
B+
Retailer 3
-
€5,433 EUR
$6,070 USD
View
Final sale: no returns
B+
Retailer 4
-
€5,434 EUR
$6,071 USD
View
B+
Retailer 5
-
€5,465 EUR
$6,105 USD
View
B+
Retailer 6
-
€5,795 EUR
$6,474 USD
View
B+
Retailer 7
-
€5,854 EUR
$6,540 USD
View
B+
Retailer 8
-
€5,886 EUR
$6,576 USD
View
Retailer 9
-
€5,907 EUR
$6,599 USD
View
Price last confirmed 33 days ago
B+
Retailer 10
-
€5,977 EUR
$6,678 USD
View
B+
Retailer 11
-
€6,189 EUR
£5,445 GBP
View
Retailer 12
-
€6,307 EUR
A$10,839 AUD
View
Price last confirmed 10 days ago
B+
Retailer 13
-
€6,479 EUR
$7,238 USD
View
B+
Retailer 14
-
€6,507 EUR
$7,270 USD
View
B+
Retailer 15
-
€6,507 EUR
$7,270 USD
View
B
Retailer 16
-
€6,722 EUR
$7,510 USD
View
Retailer 17
-
€6,815 EUR
$7,614 USD
View
Price last confirmed 33 days ago
Retailer 18
-
€7,161 EUR
$8,000 USD
View
Price last confirmed 9 days ago
B
Retailer 19
-
€7,983 EUR
ZAR 144,086 ZAR
View
B
Retailer 20
-
€9,055 EUR
£7,966 GBP
View
Most Expensive
NZ Jewellers
31c363f7-2741-4b40-8324-1d435581678b · Sep 28
€10,904 EUR
$12,182 USD
View
Price last confirmed 34 days ago
20 more retailers have this diamond
Prices start from €4,910 EURSave up to €4,146 EUR

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
€4,910 EUR