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Round|Natural|GIA

1.50ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 1563401068

Certificate GIA 1563401068

Diamond specifications and retailer prices

From $4,787 USD
HK$37,400 HKD
As of October 28, 2026
Save $5,428 USD (53%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $10,215 USD at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

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 top-tier cut grade and certified by GIA 1563401068. Listed at 11 retailers as of October 26, 2026, with prices from $4,787 to $10,215, a $5,428 spread on the same certified stone. Wholesale Diamonds Direct lists it at $10,215. 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

1.50
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1563401068
Dimensions7.27 × 7.22 × 4.54 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
7.27 mm7.22 mm1.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1563401068
Side View
Table 59.0%Crown 36°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.7%

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 28
Current: $6,110 USD|Low: $4,787 USD|High: $10,756 USD|Avg: $7,104 USD|-9.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Wholesale Diamonds Direct
October 28, 2026
Retailer 10$4,787 USD
Retailer 11$5,786 USD
Retailer 7$5,968 USD
Retailer 1$6,110 USD
Retailer 9$6,222 USD
Retailer 2$6,295 USD
Retailer 4$6,815 USD
Retailer 5$6,955 USD
Retailer 3$7,090 USD
Retailer 6$8,209 USD
Retailer 8$9,945 USD
Wholesale Diamonds Direct$10,215 USD

8 data points across 12 retailers

11 retailers$4,787 USD to $10,215 USD

A
Cheapest Retailer
-
$4,787 USD
HK$37,400 HKD
A
Retailer 2
-
$5,786 USD
View
A
Retailer 3
-
$5,968 USD
£4,699 GBP
View
A
Retailer 4
-
$6,110 USD
View
A
Retailer 5
-
$6,295 USD
View
A
Retailer 6
-
$6,815 USD
€6,490 EUR
View
A
Retailer 7
-
$6,955 USD
£5,476 GBP
View
A
Retailer 8
-
$7,090 USD
A$10,907 AUD
View
Price last confirmed 7 days ago
B+
Retailer 9
-
$8,209 USD
ZAR 132,614 ZAR
View
B+
Retailer 10
-
$9,945 USD
£7,831 GBP
View
Most Expensive
B+
Wholesale Diamonds Direct
576671765 · Oct 26
$10,215 USD
View
10 more retailers have this diamond
Prices start from $4,787 USDSave up to $5,428 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
$4,787 USD