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Round|Natural|GIA

1.50ct E SI1 Round Natural Diamond

VG • E/SI1 • GIA 1515431729

Certificate GIA 1515431729

Diamond specifications and retailer prices

From €5,000 EUR
$5,586 USD
As of October 30, 2026
Save €8,754 EUR (64%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €13,754 EUR at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 1515431729. Listed at 24 retailers as of October 30, 2026, with prices from €5,000 to €13,754, a €8,754 spread on the same certified stone. Diamond Quarter lists it at €13,754. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
E
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.5°
Pavilion angle39.8°
OriginNatural
Grading LabGIA
CertificateGIA 1515431729
Dimensions7.16 × 7.08 × 4.56 mm
L/W Ratio1.01
Star length55%
Lower girdle75%
Girdle conditionFaceted
Top View
7.16 mm7.08 mm1.50 ctE / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1515431729
Side View
Table 55.0%Crown 38.5°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 64.4%

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 30
Current: €6,529 EUR|Low: €5,000 EUR|High: €11,661 EUR|Avg: €6,865 EUR|-1.6%
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
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 1, 2026
Retailer 18€5,000 EUR
Retailer 16€5,213 EUR
Retailer 9€5,263 EUR
Retailer 11€5,422 EUR
Retailer 21€5,508 EUR
Retailer 10€5,831 EUR
Retailer 13€5,831 EUR
Retailer 7€5,849 EUR
Retailer 6€6,317 EUR
Retailer 8€6,413 EUR
Retailer 1€6,529 EUR
Retailer 4€6,677 EUR
Retailer 5€6,677 EUR
Retailer 15€6,762 EUR
Retailer 22€6,901 EUR
Retailer 19€7,193 EUR
Retailer 17€7,207 EUR
Retailer 3€7,289 EUR
Retailer 2€7,755 EUR
Retailer 12€8,566 EUR
Retailer 20€9,769 EUR
Retailer 14€11,661 EUR

32 data points across 22 retailers

24 retailers€5,000 EUR to €13,754 EUR

A
Cheapest Retailer
-
€5,000 EUR
$5,586 USD
A
Retailer 2
-
€5,213 EUR
HK$45,500 HKD
View
Retailer 3
-
€5,263 EUR
$5,880 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
€5,422 EUR
$6,057 USD
View
A
Retailer 5
-
€5,508 EUR
$6,154 USD
View
A
Retailer 6
-
€5,831 EUR
$6,514 USD
View
B+
Retailer 7
-
€5,831 EUR
$6,514 USD
View
Final sale: no returns
A
Retailer 8
-
€5,849 EUR
$6,535 USD
View
A
Retailer 9
-
€6,317 EUR
$7,057 USD
View
A
Retailer 10
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€6,413 EUR
$7,165 USD
View
A
Retailer 11
-
€6,529 EUR
£5,743 GBP
View
A
Retailer 12
-
€6,677 EUR
$7,460 USD
View
A
Retailer 13
-
€6,677 EUR
$7,460 USD
View
Retailer 14
-
€6,762 EUR
A$11,623 AUD
View
Price last confirmed 10 days ago
A
Retailer 15
-
€6,901 EUR
$7,710 USD
View
B+
Retailer 16
-
€7,193 EUR
£6,327 GBP
View
B+
Retailer 17
-
€7,207 EUR
View
B+
Retailer 18
-
€7,289 EUR
$8,143 USD
View
Retailer 19
-
€7,726 EUR
$8,632 USD
View
Price last confirmed 8 days ago
B+
Retailer 20
-
€7,755 EUR
$8,664 USD
View
B+
Retailer 21
-
€8,566 EUR
ZAR 154,612 ZAR
View
B+
Retailer 22
-
€9,769 EUR
£8,594 GBP
View
B
Retailer 23
-
€11,661 EUR
$13,028 USD
View
Most Expensive
B
Diamond Quarter
1.5SI1E1529E8EAN · Oct 31
€13,754 EUR
£12,099 GBP
View
23 more retailers have this diamond
Prices start from €5,000 EURSave up to €8,754 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
1.50ct Round
€5,000 EUR