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Radiant|Natural|GIA

1.51ct E SI2 Radiant Natural Diamond

EX • E/SI2 • GIA 6555434666

Certificate GIA 6555434666

Diamond specifications and retailer prices

From $5,715 CAD
HK$31,900 HKD
As of October 29, 2026
Save $6,386 CAD (53%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $12,101 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555434666. Listed at 12 retailers as of October 29, 2026, with prices from $5,715 to $12,101, a $6,386 spread on the same certified stone. MOH London lists it at $12,101. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6555434666
Dimensions7.66 × 5.66 × 3.83 mm
L/W Ratio1.35
Girdle conditionPolished
Top View
7.66 mm5.66 mm1.51 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6555434666
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 67.7%

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 29
Current: $12,101 CAD|Low: $5,715 CAD|High: $14,003 CAD|Avg: $8,151 CAD|-2.0%
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
October 30, 2026
Retailer 10$5,715 CAD
Retailer 8$6,162 CAD
Retailer 9$6,471 CAD
Retailer 7$6,722 CAD
Retailer 11$6,830 CAD
Retailer 3$6,871 CAD
Retailer 13$6,886 CAD
Retailer 2$7,240 CAD
Retailer 5$7,695 CAD
Retailer 6$8,851 CAD
Retailer 12$12,010 CAD
MOH London$12,101 CAD
Retailer 4$13,240 CAD

40 data points across 13 retailers

12 retailers$5,715 CAD to $12,101 CAD

A
Cheapest Retailer
-
$5,715 CAD
HK$31,900 HKD
A
Retailer 2
-
$6,162 CAD
$4,403 USD
View
A
Retailer 3
-
$6,471 CAD
$4,623 USD
View
A
Retailer 4
-
$6,722 CAD
$4,803 USD
View
A
Retailer 5
-
$6,830 CAD
$4,880 USD
View
Final sale: no returns
A
Retailer 6
-
$6,871 CAD
$4,909 USD
View
A
Retailer 7
-
$6,886 CAD
$4,920 USD
View
A
Retailer 8
-
$7,240 CAD
£4,073 GBP
View
A
Retailer 9
-
$7,695 CAD
A$8,458 AUD
View
A
Retailer 10
-
$8,851 CAD
€6,023 EUR
View
B+
Retailer 11
-
$12,010 CAD
$8,581 USD
View
Most Expensive
B+
MOH London
C9FCA304D · Oct 29
$12,101 CAD
£6,808 GBP
View
11 more retailers have this diamond
Prices start from $5,715 CADSave up to $6,386 CAD

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 Radiant
$5,715 CAD