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Round|Natural|GIA

1.51ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6561487499

Certificate GIA 6561487499

Diamond specifications and retailer prices

From $4,731 CAD
$3,387 USD
As of October 31, 2026
Save $7,616 CAD (62%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $12,347 CAD at MOH London · As of October 26, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6561487499. Listed at 19 retailers as of October 26, 2026, with prices from $4,731 to $12,347, a $7,616 spread on the same certified stone. MOH London lists it at $12,347. 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
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6561487499
Dimensions7.48 × 7.45 × 4.47 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
7.48 mm7.45 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561487499
Side View
Table 59.0%Crown 32.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 59.9%

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: Oct 31
Current: $12,347 CAD|Low: $4,731 CAD|High: $13,930 CAD|Avg: $8,378 CAD|-0.6%
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
Retailer 19
November 1, 2026
Retailer 18$4,731 CAD
Retailer 12$5,092 CAD
Retailer 6$5,289 CAD
Retailer 14$5,847 CAD
Retailer 19$6,110 CAD
Retailer 10$6,167 CAD
Retailer 15$6,497 CAD
Retailer 13$6,544 CAD
Retailer 4$6,957 CAD
Retailer 2$7,172 CAD
Retailer 7$7,173 CAD
Retailer 17$7,563 CAD
Retailer 9$7,892 CAD
Retailer 3$8,872 CAD
Retailer 11$8,959 CAD
Retailer 16$9,387 CAD
Retailer 5$9,633 CAD
Retailer 8$11,703 CAD
MOH London$12,347 CAD

22 data points across 19 retailers

19 retailers$4,731 CAD to $12,347 CAD

A
Cheapest Retailer
-
$4,731 CAD
$3,387 USD
A
Retailer 2
-
$5,092 CAD
$3,645 USD
View
A
Retailer 3
-
$5,289 CAD
$3,786 USD
View
A
Retailer 4
-
$5,847 CAD
HK$32,700 HKD
View
A
Retailer 5
-
$6,110 CAD
$4,374 USD
View
Retailer 6
-
$6,167 CAD
$4,415 USD
View
Price last confirmed 13 days ago
A
Retailer 7
-
$6,497 CAD
$4,651 USD
View
A
Retailer 8
-
$6,544 CAD
$4,685 USD
View
Final sale: no returns
A
Retailer 9
-
$6,957 CAD
$4,980 USD
View
A
Retailer 10
-
$7,172 CAD
£4,043 GBP
View
A
Retailer 11
-
$7,173 CAD
SGD 6,939 SGD
View
A
Retailer 12
-
$7,563 CAD
$5,414 USD
View
A
Retailer 13
-
$7,892 CAD
$5,650 USD
View
B+
Retailer 14
-
$8,872 CAD
$6,351 USD
View
B+
Retailer 15
-
$9,387 CAD
$6,720 USD
View
B+
Retailer 16
-
$9,633 CAD
£5,430 GBP
View
B
Retailer 17
-
$11,703 CAD
$8,378 USD
View
Retailer 18
-
$11,824 CAD
$8,464 USD
View
Price last confirmed 12 days ago
Most Expensive
B
MOH London
651FA8153 · Oct 26
$12,347 CAD
£6,960 GBP
View
18 more retailers have this diamond
Prices start from $4,731 CADSave up to $7,616 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
$4,731 CAD