Radiant|Natural|GIA

1.51ct I SI2 Radiant Natural Diamond

EX • I/SI2 • GIA 6227537173

Certificate GIA 6227537173

Diamond specifications and retailer prices

From $9,616 CAD
$6,884 USD
As of October 30, 2026
Save $10,925 CAD (53%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $20,541 CAD at NZ Jewellers · As of October 30, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6227537173. Listed at 18 retailers as of October 30, 2026, with prices from $9,616 to $20,541, a $10,925 spread on the same certified stone. NZ Jewellers lists it at $20,541. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6227537173
Dimensions7.63 × 5.68 × 4.01 mm
L/W Ratio1.34
Top View
7.63 mm5.68 mm1.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6227537173
Side View
Table 69.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 70.6%

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 30
Current: $20,541 CAD|Low: $9,616 CAD|High: $20,541 CAD|Avg: $12,635 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
October 31, 2026
Retailer 13$9,616 CAD
Retailer 5$9,742 CAD
Retailer 8$10,270 CAD
Retailer 3$10,357 CAD
Retailer 10$11,126 CAD
Retailer 9$11,298 CAD
Retailer 4$11,344 CAD
Retailer 2$11,352 CAD
Retailer 7$12,016 CAD
Retailer 12$12,839 CAD
Retailer 6$13,421 CAD
Retailer 11$17,208 CAD
NZ Jewellers$20,541 CAD

32 data points across 13 retailers

18 retailers$9,616 CAD to $20,541 CAD

B+
Cheapest Retailer
-
$9,616 CAD
$6,884 USD
B+
Retailer 2
-
$9,742 CAD
$6,974 USD
View
B
Retailer 3
-
$10,270 CAD
$7,352 USD
View
B
Retailer 4
-
$10,357 CAD
$7,414 USD
View
B
Retailer 5
-
$10,941 CAD
$7,832 USD
View
B
Retailer 6
-
$11,126 CAD
$7,965 USD
View
B
Retailer 7
-
$11,298 CAD
$8,088 USD
View
B
Retailer 8
-
$11,344 CAD
$8,121 USD
View
B+
Retailer 9
-
$11,352 CAD
£6,399 GBP
View
B
Retailer 10
-
$12,016 CAD
£6,773 GBP
View
B
Retailer 11
-
$12,097 CAD
$8,660 USD
View
B
Retailer 12
-
$12,097 CAD
$8,660 USD
View
B
Retailer 13
-
$12,502 CAD
$8,950 USD
View
B
Retailer 14
-
$12,839 CAD
$9,191 USD
View
B
Retailer 15
-
$13,421 CAD
€9,150 EUR
View
Retailer 16
-
$13,526 CAD
$9,683 USD
View
Price last confirmed 9 days ago
B
Retailer 17
-
$17,208 CAD
£9,700 GBP
View
Most Expensive
B
NZ Jewellers
aad99454-fecf-44df-9c43-f7e4f1fdefab · Oct 30
$20,541 CAD
$14,705 USD
View
17 more retailers have this diamond
Prices start from $9,616 CADSave up to $10,925 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
$9,616 CAD