Round|Natural|GIA

1.51ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 7523507494

Certificate GIA 7523507494

Diamond specifications and retailer prices

From $6,807 USD
As of October 31, 2026
Save $2,623 USD (28%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $9,430 USD at Jared · As of October 30, 2026
View at Jared

About this 1.51ct natural round diamond

This 1.51ct 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 7523507494. Listed at 14 retailers as of October 30, 2026, with prices from $6,807 to $9,430, a $2,623 spread on the same certified stone. Jared lists it at $9,430. 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

1.51
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7523507494
Dimensions7.44 × 7.40 × 4.45 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Culet sizeNone
Top View
7.44 mm7.40 mm1.51 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7523507494
Side View
Table 60.0%Crown 32°Girdle: THN-STKPavilion 41.2°Culet: NoneDepth 60.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $9,430 USD|Low: $6,671 USD|High: $9,706 USD|Avg: $8,251 USD|-1.8%
Jared
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
November 1, 2026
Retailer 8$6,807 USD
Retailer 2$6,910 USD
Retailer 13$7,389 USD
Retailer 5$7,535 USD
Retailer 9$7,818 USD
Retailer 6$8,001 USD
Retailer 7$8,039 USD
Retailer 11$8,369 USD
Retailer 12$8,740 USD
Retailer 3$9,130 USD
Retailer 14$9,290 USD
Retailer 4$9,294 USD
Jared$9,430 USD
Retailer 10$9,520 USD

28 data points across 14 retailers

14 retailers$6,807 USD to $9,430 USD

A
Cheapest Retailer
-
$6,807 USD
A
Retailer 2
-
$6,910 USD
View
A
Retailer 3
-
$7,389 USD
SGD 9,985 SGD
View
A
Retailer 4
-
$7,535 USD
SGD 10,183 SGD
View
A
Retailer 5
-
$7,818 USD
View
A
Retailer 6
-
$8,039 USD
£6,330 GBP
View
B+
Retailer 7
-
$8,369 USD
View
B+
Retailer 8
-
$8,740 USD
View
B+
Retailer 9
-
$9,061 USD
View
B+
Retailer 10
-
$9,130 USD
View
B+
Retailer 11
-
$9,270 USD
CA$12,874 CAD
View
B+
Retailer 12
-
$9,290 USD
View
B+
Retailer 13
-
$9,294 USD
View
Most Expensive
B+
Jared
156462320 · Oct 30
$9,430 USD
View
13 more retailers have this diamond
Prices start from $6,807 USDSave up to $2,623 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
1.51ct Round
$6,807 USD