Round|Natural|GIA

1.20ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6521501206

Certificate GIA 6521501206

Diamond specifications and retailer prices

From $7,526 CAD
As of November 5, 2026
Save $5,606 CAD (43%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $15,318 CAD at NZ Jewellers · As of October 17, 2026
View at NZ Jewellers

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6521501206. Listed at 19 retailers as of November 4, 2026, with a 74% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6521501206
Dimensions6.76 × 6.80 × 4.26 mm
L/W Ratio1.01
Star length45%
Lower girdle75%
Top View
6.76 mm6.80 mm1.20 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6521501206
Side View
Table 56.0%Crown 35°Girdle: THN-STKPavilion 41.4°CuletDepth 62.8%

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: Nov 5
Current: $8,553 CAD|Low: $7,987 CAD|High: $13,326 CAD|Avg: $9,772 CAD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6$7,987 CAD
Retailer 8$8,505 CAD
Retailer 1$8,553 CAD
Retailer 2$8,639 CAD
Retailer 7$8,934 CAD
Retailer 4$9,928 CAD
Retailer 3$11,174 CAD
Retailer 5$13,132 CAD

42 data points across 8 retailers

19 retailers$7,526 CAD to $13,132 CAD

B+
Cheapest Retailer
-
$7,526 CAD
B+
Retailer 2
-
$7,987 CAD
View
B+
Retailer 3
-
$8,072 CAD
View
Retailer 4
-
$8,454 CAD
View
Price last confirmed 21 days ago
B
Retailer 5
-
$8,505 CAD
View
B+
Retailer 6
-
$8,553 CAD
View
B
Retailer 7
-
$8,639 CAD
View
Retailer 8
-
$8,934 CAD
View
Price last confirmed 28 days ago
Retailer 9
-
$9,158 CAD
View
Price last confirmed 45 days ago
Retailer 10
-
$9,158 CAD
View
Price last confirmed 19 days ago
Retailer 11
-
$9,299 CAD
View
Price last confirmed 22 days ago
B
Retailer 12
-
$9,380 CAD
View
B
Retailer 13
-
$9,928 CAD
View
Retailer 14
-
$10,567 CAD
View
Price last confirmed 45 days ago
Retailer 15
-
$10,567 CAD
View
Price last confirmed 19 days ago
B
Retailer 16
-
$11,174 CAD
View
B
Retailer 17
-
$13,132 CAD
View
Retailer 18
-
$15,318 CAD
View
Price last confirmed 42 days ago
Most Expensive
NZ Jewellers
ff94d009-ce99-4fd1-aa99-fb89a8136b35 · Oct 17
$15,318 CAD
$10,968 USD
View
Price last confirmed 20 days ago
18 more retailers have this diamond
Prices start from $7,526 CADSave up to $5,606 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 Round
$7,526 CAD