Round|Natural|GIA

1.50ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 6565221251

Certificate GIA 6565221251

Diamond specifications and retailer prices

From $5,760 USD
As of November 4, 2026
Save $5,115 USD (47%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $10,875 USD at MOH London · As of November 4, 2026
View at MOH London

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 6565221251. Listed at 7 retailers as of November 4, 2026, with prices from $5,760 to $10,875, a $5,115 spread on the same certified stone. MOH London lists it at $10,875. 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
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6565221251
Dimensions7.20 × 7.24 × 4.54 mm
L/W Ratio1.01
Key to symbols
Crystal, Indented Natural, Natural
Top View
7.20 mm7.24 mm1.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6565221251
Side View
Table 58.0%CrownGirdle: Slightly ThickPavilion 40.8°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 4
Current: $10,875 USD|Low: $5,760 USD|High: $11,681 USD|Avg: $7,792 USD|-6.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 5$5,760 USD
Retailer 4$6,498 USD
Retailer 6$6,739 USD
Retailer 7$6,878 USD
Retailer 2$7,997 USD
Retailer 3$8,498 USD
MOH London$10,875 USD

28 data points across 7 retailers

7 retailers$5,760 USD to $10,875 USD

A
Cheapest Retailer
-
$5,760 USD
A
Retailer 2
-
$6,498 USD
View
A
Retailer 3
-
$6,739 USD
View
Retailer 4
-
$6,878 USD
View
Price last confirmed 29 days ago
A
Retailer 5
-
$7,997 USD
View
B+
Retailer 6
-
$8,498 USD
View
Most Expensive
B+
MOH London
EF2ED43B4 · Nov 4
$10,875 USD
£8,563 GBP
View
6 more retailers have this diamond
Prices start from $5,760 USDSave up to $5,115 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
$5,760 USD