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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 €5,049 EUR
$5,619 USD
As of October 22, 2026
Save €8,757 EUR (63%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €13,806 EUR at Diamond Quarter · As of October 28, 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 22, 2026, with prices from €5,049 to €13,806, a €8,757 spread on the same certified stone. Diamond Quarter lists it at €13,806. 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
Colour
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 22
Current: €7,240 EUR|Low: €5,105 EUR|High: €11,705 EUR|Avg: €6,865 EUR|-0.9%
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
October 29, 2026
Retailer 6€5,187 EUR
Retailer 7€5,283 EUR
Retailer 9€5,442 EUR
Retailer 15€5,529 EUR
Retailer 8€5,853 EUR
Retailer 10€5,853 EUR
Retailer 4€5,872 EUR
Retailer 3€6,341 EUR
Retailer 5€6,438 EUR
Retailer 17€6,514 EUR
Retailer 2€6,703 EUR
Retailer 21€6,703 EUR
Retailer 14€6,788 EUR
Retailer 16€6,927 EUR
Retailer 1€7,240 EUR
Retailer 13€7,251 EUR
Retailer 19€7,316 EUR
Retailer 18€7,784 EUR
Retailer 20€8,522 EUR
Retailer 12€9,806 EUR
Retailer 11€11,705 EUR

32 data points across 21 retailers

24 retailers€5,049 EUR to €13,806 EUR

A
Cheapest Retailer
-
€5,049 EUR
$5,619 USD
A
Retailer 2
-
€5,187 EUR
HK$45,100 HKD
View
A
Retailer 3
-
€5,283 EUR
$5,880 USD
View
A
Retailer 4
-
€5,442 EUR
$6,057 USD
View
A
Retailer 5
-
€5,529 EUR
$6,154 USD
View
A
Retailer 6
-
€5,853 EUR
$6,514 USD
View
B+
Retailer 7
-
€5,853 EUR
$6,514 USD
View
Final sale: no returns
A
Retailer 8
-
€5,872 EUR
$6,535 USD
View
A
Retailer 9
-
€6,341 EUR
$7,057 USD
View
A
Retailer 10
-
€6,438 EUR
$7,165 USD
View
A
Retailer 11
-
€6,514 EUR
£5,709 GBP
View
A
Retailer 12
-
€6,703 EUR
$7,460 USD
View
A
Retailer 13
-
€6,703 EUR
$7,460 USD
View
A
Retailer 14
-
€6,788 EUR
A$11,623 AUD
View
Price last confirmed 7 days ago
A
Retailer 15
-
€6,927 EUR
$7,710 USD
View
B+
Retailer 16
-
€7,240 EUR
£6,345 GBP
View
B+
Retailer 17
-
€7,251 EUR
View
B+
Retailer 18
-
€7,316 EUR
$8,143 USD
View
B+
Retailer 19
-
€7,756 EUR
$8,632 USD
View
B+
Retailer 20
-
€7,784 EUR
$8,664 USD
View
B+
Retailer 21
-
€8,522 EUR
ZAR 153,238 ZAR
View
B+
Retailer 22
-
€9,806 EUR
£8,594 GBP
View
B
Retailer 23
-
€11,705 EUR
$13,028 USD
View
Most Expensive
B
Diamond Quarter
1.5SI1E1529E8EAN · Oct 28
€13,806 EUR
£12,099 GBP
View
23 more retailers have this diamond
Prices start from €5,049 EURSave up to €8,757 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
€5,049 EUR