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Radiant|Natural|GIA

1.51ct H SI1 Radiant Natural Diamond

EX • H/SI1 • GIA 6522977444

Certificate GIA 6522977444

Diamond specifications and retailer prices

From $8,880 CAD
As of November 6, 2026
Save $11,123 CAD (56%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: $20,003 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6522977444. Listed at 30 retailers as of November 5, 2026, with prices from $8,880 to $20,003, a $11,123 spread on the same certified stone. NZ Jewellers lists it at $20,003. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6522977444
Dimensions7.64 × 5.66 × 3.77 mm
L/W Ratio1.35
Top View
7.64 mm5.66 mm1.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6522977444
Side View
Table 67.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 66.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $11,182 CAD|Low: $9,450 CAD|High: $16,868 CAD|Avg: $12,390 CAD|-1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 5$9,450 CAD
Retailer 8$9,562 CAD
Retailer 1$11,182 CAD
Retailer 2$11,208 CAD
Retailer 7$11,474 CAD
Retailer 3$12,993 CAD
Retailer 4$14,591 CAD
Retailer 6$16,622 CAD

37 data points across 8 retailers

30 retailers$8,880 CAD to $20,003 CAD

B+
Cheapest Retailer
-
$8,880 CAD
B+
Retailer 2
-
$9,279 CAD
View
B+
Retailer 3
-
$9,310 CAD
View
B+
Retailer 4
-
$9,450 CAD
View
B+
Retailer 5
-
$9,562 CAD
View
Final sale: no returns
B+
Retailer 6
-
$9,599 CAD
View
B+
Retailer 7
-
$9,874 CAD
View
B+
Retailer 8
-
$10,001 CAD
View
Retailer 9
-
$10,001 CAD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$10,085 CAD
View
B
Retailer 11
-
$10,652 CAD
View
B+
Retailer 12
-
$10,835 CAD
View
B+
Retailer 13
-
$11,001 CAD
View
B+
Retailer 14
-
$11,062 CAD
View
B+
Retailer 15
-
$11,182 CAD
View
B+
Retailer 16
-
$11,192 CAD
View
B+
Retailer 17
-
$11,208 CAD
View
B
Retailer 18
-
$11,457 CAD
View
Retailer 19
-
$11,474 CAD
View
Price last confirmed 16 days ago
B
Retailer 20
-
$11,942 CAD
View
B
Retailer 21
-
$11,942 CAD
View
B
Retailer 22
-
$12,080 CAD
View
B
Retailer 23
-
$12,336 CAD
View
B
Retailer 24
-
$12,502 CAD
View
B
Retailer 25
-
$12,993 CAD
View
Retailer 26
-
$13,171 CAD
View
Price last confirmed 15 days ago
B
Retailer 27
-
$13,195 CAD
View
B
Retailer 28
-
$14,591 CAD
View
B
Retailer 29
-
$16,622 CAD
View
Most Expensive
B
NZ Jewellers
187c7af1-6df5-4fe3-81b8-deb2d3b7cfab · Nov 5
$20,003 CAD
$14,221 USD
View
29 more retailers have this diamond
Prices start from $8,880 CADSave up to $11,123 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.

B+
1.51ct Radiant
$8,880 CAD