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1.51ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 1563134635

Certificate GIA 1563134635

Diamond specifications and retailer prices

From $9,262 USD
Save $7,440 USD (45%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $16,702 USD at MOH London
View at MOH London

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 1563134635. Listed at 14 retailers, with prices from $9,262 to $16,702 at MOH London, a $7,440 spread on the same certified stone. 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
OriginNatural
Grading LabGIA
CertificateGIA 1563134635
Dimensions7.40 × 7.43 × 4.55 mm
L/W Ratio1.00
Key to symbols
Feather, Crystal, Cloud
Top View
7.40 mm7.43 mm1.51 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1563134635
Side View
Table 58.0%CrownGirdlePavilionCulet: NoneDepth 61.3%

Caratlytics Score

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C
Average
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Price History

Last verified: Oct 1
Current: $16,702 USD|Low: $9,262 USD|High: $16,702 USD|Avg: $11,820 USD
MOH London
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
October 1, 2026
Retailer 13$9,262 USD
Retailer 7$9,922 USD
Retailer 11$10,700 USD
Retailer 12$10,822 USD
Retailer 9$11,495 USD
Retailer 8$11,541 USD
Retailer 15$11,591 USD
Retailer 3$11,663 USD
Retailer 6$12,469 USD
Retailer 5$12,588 USD
Retailer 2$12,635 USD
Retailer 4$12,830 USD
Retailer 14$13,153 USD
Retailer 10$15,235 USD
MOH London$16,702 USD

6 data points across 15 retailers

14 retailers$9,262 USD to $16,702 USD

C
Cheapest Retailer
-
$9,262 USD
D
Retailer 2
-
$10,700 USD
View
D
Retailer 3
-
$10,822 USD
View
D
Retailer 4
-
$11,495 USD
View
D
Retailer 5
-
$11,541 USD
A$17,755 AUD
View
D
Retailer 6
-
$11,617 USD
£9,147 GBP
View
D
Retailer 7
-
$11,663 USD
View
D
Retailer 8
-
$12,469 USD
€11,875 EUR
View
D
Retailer 9
-
$12,588 USD
View
D
Retailer 10
-
$12,635 USD
View
D
Retailer 11
-
$12,830 USD
View
D
Retailer 12
-
$13,153 USD
£10,357 GBP
View
D
Retailer 13
-
$15,235 USD
ZAR 246,121 ZAR
View
Most Expensive
D
MOH London
B30ADBF35 · Oct 1
$16,702 USD
£13,151 GBP
View
13 more retailers have this diamond
Prices start from $9,262 USDSave up to $7,440 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.

C
1.51ct Round
$9,262 USD