Radiant|Natural|GIA

1.51ct I SI1 Radiant Natural Diamond

EX • I/SI1 • GIA 6532464929

Certificate GIA 6532464929

Diamond specifications and retailer prices

From $9,097 CAD
$6,512 USD
As of October 26, 2026
Save $8,884 CAD (49%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $17,981 CAD at NZ Jewellers · As of October 27, 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 I 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 6532464929. Listed at 16 retailers as of October 26, 2026, with prices from $9,097 to $17,981, a $8,884 spread on the same certified stone. NZ Jewellers lists it at $17,981. 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
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6532464929
Dimensions7.73 × 5.60 × 3.84 mm
L/W Ratio1.38
Top View
7.73 mm5.60 mm1.51 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6532464929
Side View
Table 67.0%CrownGirdlePavilionCulet: NoneDepth 68.5%

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: Oct 26
Current: $17,981 CAD|Low: $9,097 CAD|High: $17,981 CAD|Avg: $11,052 CAD
NZ Jewellers
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
November 1, 2026
Retailer 7$9,097 CAD
Retailer 6$9,376 CAD
Retailer 2$9,643 CAD
Retailer 5$9,918 CAD
Retailer 3$9,924 CAD
Retailer 12$9,924 CAD
Retailer 9$9,987 CAD
Retailer 4$10,473 CAD
Retailer 15$10,751 CAD
Retailer 14$10,917 CAD
Retailer 10$11,684 CAD
Retailer 13$12,404 CAD
Retailer 8$13,092 CAD
Retailer 11$14,641 CAD
NZ Jewellers$17,981 CAD

38 data points across 15 retailers

16 retailers$9,097 CAD to $17,981 CAD

B+
Cheapest Retailer
-
$9,097 CAD
$6,512 USD
B+
Retailer 2
-
$9,376 CAD
$6,712 USD
View
B+
Retailer 3
-
$9,643 CAD
£5,435 GBP
View
B+
Retailer 4
-
$9,918 CAD
$7,100 USD
View
Retailer 5
-
$9,924 CAD
$7,104 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
$9,987 CAD
£5,629 GBP
View
Retailer 7
-
$10,473 CAD
A$11,534 AUD
View
Price last confirmed 28 days ago
B+
Retailer 8
-
$10,702 CAD
$7,661 USD
View
B+
Retailer 9
-
$10,751 CAD
$7,696 USD
View
B+
Retailer 10
-
$10,917 CAD
$7,815 USD
View
Retailer 11
-
$10,980 CAD
$7,860 USD
View
Price last confirmed 7 days ago
B
Retailer 12
-
$11,684 CAD
€7,966 EUR
View
B
Retailer 13
-
$12,404 CAD
$8,880 USD
View
B
Retailer 14
-
$13,092 CAD
ZAR 151,405 ZAR
View
B
Retailer 15
-
$14,641 CAD
£8,253 GBP
View
Most Expensive
B
NZ Jewellers
ae27c0d4-f803-44aa-b296-c81b4670f206 · Oct 27
$17,981 CAD
$12,872 USD
View
15 more retailers have this diamond
Prices start from $9,097 CADSave up to $8,884 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
$9,097 CAD