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Radiant|Natural|GIA

1.20ct D SI1 Radiant Natural Diamond

ID • D/SI1 • GIA 1236910234

Certificate GIA 1236910234

Diamond specifications and retailer prices

From $3,931 CAD
As of November 5, 2026
Save $3,630 CAD (48%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $7,562 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1236910234. Listed at 13 retailers as of November 5, 2026, with prices from $3,931 to $7,562, a $3,630 spread on the same certified stone. NZ Jewellers lists it at $7,562. 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
D
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1236910234
Dimensions6.98 × 5.20 × 3.54 mm
L/W Ratio1.34
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Pinpoint
Top View
6.98 mm5.20 mm1.20 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1236910234
Side View
Table 67.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 68.0%

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: $7,562 CAD|Low: $3,522 CAD|High: $7,562 CAD|Avg: $4,983 CAD|+1.0%
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
November 6, 2026
Retailer 6$3,522 CAD
Retailer 15$3,931 CAD
Retailer 17$3,931 CAD
Retailer 16$4,083 CAD
Retailer 7$4,149 CAD
Retailer 2$4,210 CAD
Retailer 18$4,255 CAD
Retailer 3$4,487 CAD
Retailer 4$4,487 CAD
Retailer 14$4,536 CAD
Retailer 5$4,628 CAD
Retailer 8$4,857 CAD
Retailer 11$5,051 CAD
Retailer 9$5,092 CAD
Retailer 12$5,297 CAD
Retailer 10$6,112 CAD
Retailer 13$7,238 CAD
NZ Jewellers$7,562 CAD

28 data points across 18 retailers

13 retailers$3,931 CAD to $7,562 CAD

A
Cheapest Retailer
-
$3,931 CAD
A
Retailer 2
-
$4,083 CAD
View
A
Retailer 3
-
$4,149 CAD
View
A
Retailer 4
-
$4,210 CAD
View
A
Retailer 5
-
$4,255 CAD
View
A
Retailer 6
-
$4,487 CAD
View
A
Retailer 7
-
$4,487 CAD
View
A
Retailer 8
-
$4,536 CAD
View
B+
Retailer 9
-
$4,628 CAD
View
B+
Retailer 10
-
$5,051 CAD
View
B+
Retailer 11
-
$5,297 CAD
View
B
Retailer 12
-
$7,238 CAD
View
Most Expensive
B
NZ Jewellers
d9f58977-f502-40ff-a920-afa2aec6d910 · Nov 5
$7,562 CAD
$5,376 USD
View
12 more retailers have this diamond
Prices start from $3,931 CADSave up to $3,630 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
$3,931 CAD