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Round|Natural|GIA

1.51ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 2245018446

Certificate GIA 2245018446

Diamond specifications and retailer prices

From $4,673 CAD
SGD 4,521 SGD
As of October 29, 2026
Save $3,765 CAD (45%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $8,438 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2245018446. Listed at 9 retailers as of October 26, 2026, with prices from $4,673 to $8,438, a $3,765 spread on the same certified stone. Wholesale Diamonds Direct lists it at $8,438. 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 angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2245018446
Dimensions7.27 × 4.58 × 4.58 mm
L/W Ratio1.59
Culet sizeNone
Top View
7.27 mm4.58 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2245018446
Side View
Table 58.0%Crown 36°Girdle: THN-STKPavilion 41.2°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: Oct 29
Current: $5,314 CAD|Low: $4,673 CAD|High: $9,194 CAD|Avg: $6,167 CAD|-6.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Wholesale Diamonds Direct
October 30, 2026
Retailer 5$4,673 CAD
Retailer 3$4,903 CAD
Retailer 7$5,009 CAD
Retailer 1$5,314 CAD
Retailer 6$5,921 CAD
Retailer 2$6,152 CAD
Retailer 4$6,236 CAD
Wholesale Diamonds Direct$8,438 CAD

45 data points across 8 retailers

9 retailers$4,673 CAD to $8,438 CAD

A
Cheapest Retailer
-
$4,673 CAD
SGD 4,521 SGD
A
Retailer 2
-
$4,903 CAD
$3,510 USD
View
A
Retailer 3
-
$5,009 CAD
SGD 4,846 SGD
View
A
Retailer 4
-
$5,314 CAD
£2,996 GBP
View
A
Retailer 5
-
$5,921 CAD
$4,239 USD
View
A
Retailer 6
-
$6,152 CAD
€4,194 EUR
View
A
Retailer 7
-
$6,236 CAD
£3,515 GBP
View
B+
Retailer 8
-
$7,953 CAD
$5,693 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
472895024 · Oct 26
$8,438 CAD
$6,041 USD
View
8 more retailers have this diamond
Prices start from $4,673 CADSave up to $3,765 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
$4,673 CAD