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Round|Natural|GIA

1.51ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 2556718809

Certificate GIA 2556718809

Diamond specifications and retailer prices

From $7,453 CAD
HK$41,600 HKD
As of October 29, 2026
Save $7,237 CAD (49%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $14,690 CAD at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2556718809. Listed at 10 retailers as of October 26, 2026, with prices from $7,453 to $14,690, a $7,237 spread on the same certified stone. Wholesale Diamonds Direct lists it at $14,690. 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
D
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556718809
Dimensions7.29 × 7.33 × 4.58 mm
L/W Ratio1.01
Top View
7.29 mm7.33 mm1.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556718809
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.6%

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: $7,694 CAD|Low: $7,453 CAD|High: $15,185 CAD|Avg: $9,401 CAD|-4.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Wholesale Diamonds Direct
October 30, 2026
Retailer 6$7,453 CAD
Retailer 1$7,694 CAD
Retailer 8$8,083 CAD
Retailer 5$8,632 CAD
Retailer 9$8,679 CAD
Retailer 4$8,899 CAD
Retailer 7$8,974 CAD
Retailer 3$10,431 CAD
Retailer 2$10,455 CAD
Wholesale Diamonds Direct$14,690 CAD

30 data points across 10 retailers

10 retailers$7,453 CAD to $14,690 CAD

A
Cheapest Retailer
-
$7,453 CAD
HK$41,600 HKD
A
Retailer 2
-
$7,694 CAD
₹523,552 INR
View
A
Retailer 3
-
$8,083 CAD
$5,775 USD
View
Final sale: no returns
A
Retailer 4
-
$8,632 CAD
SGD 8,334 SGD
View
Retailer 5
-
$8,679 CAD
SGD 8,380 SGD
View
Price last confirmed 15 days ago
A
Retailer 6
-
$8,899 CAD
$6,358 USD
View
A
Retailer 7
-
$8,974 CAD
$6,412 USD
View
A
Retailer 8
-
$10,431 CAD
£5,868 GBP
View
A
Retailer 9
-
$10,455 CAD
€7,114 EUR
View
Most Expensive
B
Wholesale Diamonds Direct
436402900 · Oct 26
$14,690 CAD
$10,496 USD
View
9 more retailers have this diamond
Prices start from $7,453 CADSave up to $7,237 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
$7,453 CAD