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Radiant|Natural|GIA

1.20ct I SI1 Radiant Natural Diamond

EX • I/SI1 • GIA 5231970791

Certificate GIA 5231970791

Diamond specifications and retailer prices

From $2,916 CAD
As of November 5, 2026
Save $5,361 CAD (65%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $8,276 CAD at NZ Jewellers · As of November 5, 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 5231970791. Listed at 8 retailers as of November 5, 2026, with prices from $2,916 to $8,276, a $5,361 spread on the same certified stone. NZ Jewellers lists it at $8,276. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
Pavilion angle60.33°
OriginNatural
Grading LabGIA
CertificateGIA 5231970791
Dimensions7.10 × 5.34 × 3.67 mm
L/W Ratio1.33
Key to symbols
Cloud, Crystal, Feather, Needle, Natural
Top View
7.10 mm5.34 mm1.20 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 5231970791
Side View
Table 67.0%CrownGirdle: ThickPavilion 60.33°Culet: NoneDepth 68.7%

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: Nov 5
Current: $8,276 CAD|Low: $2,916 CAD|High: $8,881 CAD|Avg: $4,904 CAD|+10.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 4$2,916 CAD
Retailer 7$3,768 CAD
Retailer 5$3,960 CAD
Retailer 3$4,057 CAD
Retailer 2$4,111 CAD
Retailer 8$4,286 CAD
Retailer 6$6,989 CAD
NZ Jewellers$8,276 CAD

33 data points across 8 retailers

8 retailers$2,916 CAD to $8,276 CAD

A
Cheapest Retailer
-
$2,916 CAD
B+
Retailer 2
-
$3,768 CAD
View
Final sale: no returns
B+
Retailer 3
-
$3,960 CAD
View
B+
Retailer 4
-
$4,057 CAD
View
B+
Retailer 5
-
$4,111 CAD
View
B
Retailer 6
-
$4,286 CAD
View
B
Retailer 7
-
$6,989 CAD
View
Most Expensive
B
NZ Jewellers
823fe09c-94bc-410d-a984-a81c7c49cc42 · Nov 5
$8,276 CAD
$5,884 USD
View
7 more retailers have this diamond
Prices start from $2,916 CADSave up to $5,361 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
1.20ct Radiant
$2,916 CAD