CaratHunter
Plans
Round|Natural|GIA

1.50ct E SI1 Round Natural Diamond

VG • E/SI1 • GIA 1515431729

Certificate GIA 1515431729

Diamond specifications and retailer prices

From $5,619 USD
As of October 22, 2026
Save $9,747 USD (63%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $15,366 USD 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 $5,619 to $15,366, a $9,747 spread on the same certified stone. Diamond Quarter lists it at $15,366. 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 22
Current: $8,058 USD|Low: $5,682 USD|High: $13,028 USD|Avg: $7,641 USD|-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$5,773 USD
Retailer 7$5,880 USD
Retailer 9$6,057 USD
Retailer 15$6,154 USD
Retailer 8$6,514 USD
Retailer 10$6,514 USD
Retailer 4$6,535 USD
Retailer 3$7,057 USD
Retailer 5$7,165 USD
Retailer 17$7,250 USD
Retailer 2$7,460 USD
Retailer 21$7,460 USD
Retailer 14$7,555 USD
Retailer 16$7,710 USD
Retailer 1$8,058 USD
Retailer 13$8,070 USD
Retailer 19$8,143 USD
Retailer 18$8,664 USD
Retailer 20$9,485 USD
Retailer 12$10,914 USD
Retailer 11$13,028 USD

32 data points across 21 retailers

24 retailers$5,619 USD to $15,366 USD

A
Cheapest Retailer
-
$5,619 USD
A
Retailer 2
-
$5,773 USD
HK$45,100 HKD
View
A
Retailer 3
-
$5,880 USD
View
A
Retailer 4
-
$6,057 USD
View
A
Retailer 5
-
$6,154 USD
View
A
Retailer 6
-
$6,514 USD
View
B+
Retailer 7
-
$6,514 USD
View
Final sale: no returns
A
Retailer 8
-
$6,535 USD
View
A
Retailer 9
-
$7,057 USD
View
A
Retailer 10
-
$7,165 USD
View
A
Retailer 11
-
$7,250 USD
£5,709 GBP
View
A
Retailer 12
-
$7,460 USD
View
A
Retailer 13
-
$7,460 USD
View
A
Retailer 14
-
$7,555 USD
A$11,623 AUD
View
Price last confirmed 7 days ago
A
Retailer 15
-
$7,710 USD
View
B+
Retailer 16
-
$8,058 USD
£6,345 GBP
View
B+
Retailer 17
-
$8,070 USD
€7,686 EUR
View
B+
Retailer 18
-
$8,143 USD
View
B+
Retailer 19
-
$8,632 USD
View
B+
Retailer 20
-
$8,664 USD
View
B+
Retailer 21
-
$9,485 USD
ZAR 153,238 ZAR
View
B+
Retailer 22
-
$10,914 USD
£8,594 GBP
View
B
Retailer 23
-
$13,028 USD
View
Most Expensive
B
Diamond Quarter
1.5SI1E1529E8EAN · Oct 28
$15,366 USD
£12,099 GBP
View
23 more retailers have this diamond
Prices start from $5,619 USDSave up to $9,747 USD

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
$5,619 USD