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Round|Natural|GIA

1.53ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 2556434576

Certificate GIA 2556434576

Diamond specifications and retailer prices

From €3,930 EUR
HK$34,300 HKD
As of November 1, 2026
Save €3,649 EUR (48%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €9,064 EUR at NZ Jewellers · As of September 25, 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 2556434576. Listed at 13 retailers as of November 1, 2026, with a 93% 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2556434576
Dimensions7.28 × 7.33 × 4.59 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
7.28 mm7.33 mm1.53 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556434576
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.9%

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: €3,930 EUR|Low: €3,930 EUR|High: €8,243 EUR|Avg: €5,355 EUR|-1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 1€3,930 EUR
Retailer 2€4,178 EUR
Retailer 7€4,301 EUR
Retailer 9€4,433 EUR
Retailer 4€4,669 EUR
Retailer 11€4,717 EUR
Retailer 6€4,985 EUR
Retailer 3€5,107 EUR
Retailer 8€5,731 EUR
Retailer 5€7,579 EUR
Retailer 10€8,171 EUR

35 data points across 11 retailers

13 retailers€3,930 EUR to €7,579 EUR

A
Cheapest Retailer
-
€3,930 EUR
HK$34,300 HKD
A
Retailer 2
-
€4,178 EUR
$4,668 USD
View
A
Retailer 3
-
€4,301 EUR
$4,805 USD
View
Final sale: no returns
A
Retailer 4
-
€4,433 EUR
$4,952 USD
View
A
Retailer 5
-
€4,638 EUR
A$7,972 AUD
View
A
Retailer 6
-
€4,669 EUR
$5,216 USD
View
A
Retailer 7
-
€4,717 EUR
$5,270 USD
View
A
Retailer 8
-
€4,985 EUR
£4,386 GBP
View
B+
Retailer 9
-
€5,107 EUR
A$8,778 AUD
View
B+
Retailer 10
-
€5,731 EUR
View
B
Retailer 11
-
€7,579 EUR
£6,667 GBP
View
Retailer 12
-
€8,171 EUR
$9,129 USD
View
Price last confirmed 9 days ago
Most Expensive
NZ Jewellers
9e616bd5-98c0-432e-92b9-f54fb9cc7a36 · Sep 25
€9,064 EUR
$10,126 USD
View
Price last confirmed 37 days ago
12 more retailers have this diamond
Prices start from €3,930 EURSave up to €3,649 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
€3,930 EUR