Round|Natural|GIA

1.20ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6541062520

Certificate GIA 6541062520

Diamond specifications and retailer prices

From $4,993 CAD
SGD 4,830 SGD
As of October 29, 2026
Save $244 CAD (5%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $9,833 CAD at NZ Jewellers · As of September 28, 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 6541062520. Listed at 18 retailers as of October 29, 2026, with a relatively tight 5% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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
FluorescenceStrong
Crown angle33°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6541062520
Dimensions6.87 × 6.84 × 4.17 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
6.87 mm6.84 mm1.20 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6541062520
Side View
Table 61.0%Crown 33°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 60.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $4,507 CAD|Low: $4,273 CAD|High: $9,552 CAD|Avg: $5,893 CAD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 19, 2026
Retailer 2$4,273 CAD
Retailer 1$4,507 CAD
Retailer 10$4,993 CAD
Retailer 9$5,055 CAD
Retailer 11$5,208 CAD
Retailer 3$5,237 CAD
Retailer 4$5,238 CAD
Retailer 5$5,710 CAD
Retailer 12$6,051 CAD
Retailer 7$6,355 CAD
Retailer 8$6,851 CAD
Retailer 6$9,489 CAD

33 data points across 12 retailers

18 retailers$4,993 CAD to $5,237 CAD

Retailer 1
-
$4,273 CAD
HK$23,900 HKD
Price last confirmed 10 days ago
Retailer 2
-
$4,507 CAD
₹307,279 INR
View
Price last confirmed 11 days ago
A
Retailer 3
-
$4,993 CAD
SGD 4,830 SGD
View
Retailer 4
-
$5,055 CAD
$3,619 USD
View
Price last confirmed 11 days ago
Retailer 5
-
$5,127 CAD
$3,670 USD
View
Price last confirmed 22 days ago
B+
Retailer 6
-
$5,237 CAD
$3,749 USD
View
Retailer 7
-
$5,238 CAD
$3,750 USD
View
Price last confirmed 11 days ago
Retailer 8
-
$5,427 CAD
SGD 5,250 SGD
View
Price last confirmed 12 days ago
Retailer 9
-
$5,643 CAD
$4,040 USD
View
Price last confirmed 22 days ago
Retailer 10
-
$5,643 CAD
$4,040 USD
View
Price last confirmed 19 days ago
Retailer 11
-
$5,643 CAD
$4,040 USD
View
Price last confirmed 31 days ago
Retailer 12
-
$5,657 CAD
$4,050 USD
View
Price last confirmed 12 days ago
Retailer 13
-
$5,710 CAD
£3,219 GBP
View
Price last confirmed 12 days ago
Retailer 14
-
$6,051 CAD
A$6,665 AUD
View
Price last confirmed 27 days ago
Retailer 15
-
$6,512 CAD
$4,662 USD
View
Price last confirmed 21 days ago
Retailer 16
-
$6,851 CAD
ZAR 79,230 ZAR
View
Price last confirmed 13 days ago
Retailer 17
-
$9,489 CAD
£5,349 GBP
View
Price last confirmed 12 days ago
Most Expensive
NZ Jewellers
7e1079aa-910d-46f0-a4dd-76e0bf95d529 · Sep 28
$9,833 CAD
$7,039 USD
View
Price last confirmed 33 days ago
17 more retailers have this diamond
Prices start from $4,993 CADSave up to $244 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 Round
$4,993 CAD