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Round|Natural|GIA

1.51ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 2245021536

Certificate GIA 2245021536

Diamond specifications and retailer prices

From $5,814 CAD
SGD 5,614 SGD
As of October 29, 2026
Save $4,611 CAD (44%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $10,426 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2245021536. Listed at 8 retailers as of October 26, 2026, with prices from $5,814 to $10,426, a $4,611 spread on the same certified stone. Wholesale Diamonds Direct lists it at $10,426. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2245021536
Dimensions7.30 × 4.57 × 4.57 mm
L/W Ratio1.60
Culet sizeNone
Top View
7.30 mm4.57 mm1.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2245021536
Side View
Table 56.0%Crown 36.5°Girdle: THN-STKPavilion 41°Culet: 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: $6,451 CAD|Low: $5,814 CAD|High: $11,425 CAD|Avg: $7,557 CAD|-6.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Wholesale Diamonds Direct
October 30, 2026
Retailer 5$5,814 CAD
Retailer 3$6,046 CAD
Retailer 7$6,231 CAD
Retailer 1$6,451 CAD
Retailer 6$7,215 CAD
Retailer 2$7,399 CAD
Retailer 4$7,465 CAD
Wholesale Diamonds Direct$10,426 CAD

44 data points across 8 retailers

8 retailers$5,814 CAD to $10,426 CAD

A
Cheapest Retailer
-
$5,814 CAD
SGD 5,614 SGD
A
Retailer 2
-
$6,046 CAD
$4,320 USD
View
A
Retailer 3
-
$6,231 CAD
SGD 6,016 SGD
View
A
Retailer 4
-
$6,451 CAD
£3,629 GBP
View
A
Retailer 5
-
$7,215 CAD
$5,155 USD
View
A
Retailer 6
-
$7,399 CAD
€5,035 EUR
View
A
Retailer 7
-
$7,465 CAD
£4,200 GBP
View
Most Expensive
B+
Wholesale Diamonds Direct
364013156 · Oct 26
$10,426 CAD
$7,449 USD
View
7 more retailers have this diamond
Prices start from $5,814 CADSave up to $4,611 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
$5,814 CAD