Radiant|Natural|GIA

1.20ct I SI1 Radiant Natural Diamond

EX • I/SI1 • GIA 5553693574

Certificate GIA 5553693574

Diamond specifications and retailer prices

From $3,597 CAD
$2,575 USD
As of October 30, 2026
Save $4,100 CAD (53%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $7,697 CAD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.2ct natural radiant diamond

This 1.2ct natural radiant sits in the classic one-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 5553693574. Listed at 20 retailers as of October 30, 2026, with prices from $3,597 to $7,697, a $4,100 spread on the same certified stone. NZ Jewellers lists it at $7,697. 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

1.20
Carat
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5553693574
Dimensions7.44 × 5.28 × 3.59 mm
L/W Ratio1.41
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
7.44 mm5.28 mm1.20 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5553693574
Side View
Table 68.0%CrownGirdle: STK-STKPavilionCulet: NoneDepth 68.0%

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: $7,697 CAD|Low: $3,189 CAD|High: $7,881 CAD|Avg: $4,317 CAD|-2.3%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 31, 2026
Retailer 11$3,329 CAD
Retailer 9$3,597 CAD
Retailer 4$3,646 CAD
Retailer 6$3,759 CAD
Retailer 3$3,787 CAD
Retailer 10$3,804 CAD
Retailer 5$3,918 CAD
Retailer 15$4,002 CAD
Retailer 17$4,002 CAD
Retailer 16$4,157 CAD
Retailer 14$4,323 CAD
Retailer 12$4,617 CAD
Retailer 7$4,618 CAD
Retailer 8$4,939 CAD
Retailer 18$5,127 CAD
Retailer 13$5,172 CAD
Retailer 2$5,431 CAD
Retailer 19$7,428 CAD
NZ Jewellers$7,697 CAD

20 data points across 19 retailers

20 retailers$3,597 CAD to $7,697 CAD

B+
Cheapest Retailer
-
$3,597 CAD
$2,575 USD
Retailer 2
-
$3,607 CAD
$2,582 USD
View
Price last confirmed 15 days ago
Retailer 3
-
$3,607 CAD
$2,582 USD
View
Price last confirmed 11 days ago
B+
Retailer 4
-
$3,646 CAD
$2,610 USD
View
B+
Retailer 5
-
$3,759 CAD
$2,691 USD
View
B+
Retailer 6
-
$3,787 CAD
$2,711 USD
View
Retailer 7
-
$3,804 CAD
$2,723 USD
View
Price last confirmed 13 days ago
B+
Retailer 8
-
$3,918 CAD
$2,805 USD
View
B+
Retailer 9
-
$4,002 CAD
$2,865 USD
View
B+
Retailer 10
-
$4,157 CAD
$2,976 USD
View
Retailer 11
-
$4,224 CAD
A$4,652 AUD
View
Price last confirmed 23 days ago
B
Retailer 12
-
$4,323 CAD
£2,437 GBP
View
B
Retailer 13
-
$4,614 CAD
$3,303 USD
View
B
Retailer 14
-
$4,617 CAD
£2,602 GBP
View
B
Retailer 15
-
$4,618 CAD
$3,306 USD
View
B
Retailer 16
-
$4,939 CAD
$3,536 USD
View
B
Retailer 17
-
$5,172 CAD
€3,526 EUR
View
B
Retailer 18
-
$5,431 CAD
ZAR 62,805 ZAR
View
B
Retailer 19
-
$7,428 CAD
£4,187 GBP
View
Most Expensive
B
NZ Jewellers
ffc4360b-9be8-481a-9984-68ecb1bbfab8 · Oct 30
$7,697 CAD
$5,510 USD
View
19 more retailers have this diamond
Prices start from $3,597 CADSave up to $4,100 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+
1.20ct Radiant
$3,597 CAD