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Round|Natural|GIA

1.51ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 2245021465

Certificate GIA 2245021465

Diamond specifications and retailer prices

From $9,334 CAD
HK$52,200 HKD
As of November 1, 2026
Save $8,175 CAD (47%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $17,508 CAD at MOH London · As of November 1, 2026
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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2245021465. Listed at 19 retailers as of November 1, 2026, with prices from $9,334 to $17,508, a $8,175 spread on the same certified stone. MOH London lists it at $17,508. 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
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2245021465
Dimensions7.30 × 7.33 × 4.59 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Needle
Top View
7.30 mm7.33 mm1.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2245021465
Side View
Table 56.0%Crown 35°Girdle: MED-STKPavilion 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: Nov 1
Current: $17,508 CAD|Low: $9,334 CAD|High: $18,221 CAD|Avg: $12,314 CAD|-2.6%
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
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 3$9,334 CAD
Retailer 13$9,380 CAD
Retailer 18$9,511 CAD
Retailer 14$9,648 CAD
Retailer 16$9,796 CAD
Retailer 17$10,422 CAD
Retailer 8$10,427 CAD
Retailer 4$10,464 CAD
Retailer 11$11,538 CAD
Retailer 5$11,745 CAD
Retailer 10$12,045 CAD
Retailer 6$12,502 CAD
Retailer 7$12,544 CAD
Retailer 2$12,921 CAD
Retailer 12$12,978 CAD
Retailer 9$13,167 CAD
Retailer 15$15,434 CAD
MOH London$17,508 CAD

29 data points across 18 retailers

19 retailers$9,334 CAD to $17,508 CAD

A
Cheapest Retailer
-
$9,334 CAD
HK$52,200 HKD
A
Retailer 2
-
$9,380 CAD
$6,715 USD
View
A
Retailer 3
-
$9,511 CAD
$6,809 USD
View
A
Retailer 4
-
$9,648 CAD
$6,907 USD
View
A
Retailer 5
-
$9,796 CAD
A$10,789 AUD
View
B+
Retailer 6
-
$10,422 CAD
$7,461 USD
View
Final sale: no returns
B+
Retailer 7
-
$10,427 CAD
View
B+
Retailer 8
-
$10,464 CAD
$7,491 USD
View
B+
Retailer 9
-
$11,538 CAD
£6,504 GBP
View
B+
Retailer 10
-
$11,745 CAD
$8,408 USD
View
Retailer 11
-
$12,045 CAD
A$13,266 AUD
View
Price last confirmed 9 days ago
B+
Retailer 12
-
$12,502 CAD
$8,950 USD
View
B+
Retailer 13
-
$12,544 CAD
$8,980 USD
View
B+
Retailer 14
-
$12,921 CAD
$9,250 USD
View
B+
Retailer 15
-
$12,978 CAD
€8,848 EUR
View
B+
Retailer 16
-
$13,167 CAD
$9,426 USD
View
Retailer 17
-
$14,077 CAD
$10,077 USD
View
Price last confirmed 19 days ago
B
Retailer 18
-
$15,434 CAD
ZAR 178,494 ZAR
View
Most Expensive
B
MOH London
C7551D8A6 · Nov 1
$17,508 CAD
£9,869 GBP
View
18 more retailers have this diamond
Prices start from $9,334 CADSave up to $8,175 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 Round
$9,334 CAD