Round|Natural|GIA

1.20ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 6545460107

Certificate GIA 6545460107

Diamond specifications and retailer prices

From $3,451 CAD
HK$19,300 HKD
As of November 1, 2026
Save $5,109 CAD (60%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $8,560 CAD at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6545460107. Listed at 18 retailers as of October 28, 2026, with prices from $3,451 to $8,560, a $5,109 spread on the same certified stone. Queensmith lists it at $8,560. 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
G
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6545460107
Dimensions6.85 × 6.82 × 4.22 mm
L/W Ratio1.00
Top View
6.85 mm6.82 mm1.20 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545460107
Side View
Table 55.0%Crown 32°Girdle: Slightly ThickPavilion 41.2°Culet: NoneDepth 61.8%

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 1
Current: $8,560 CAD|Low: $3,415 CAD|High: $8,586 CAD|Avg: $5,160 CAD|+2.4%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 6$3,451 CAD
Retailer 2$3,599 CAD
Retailer 7$4,136 CAD
Retailer 9$4,180 CAD
Retailer 8$4,298 CAD
Retailer 3$4,663 CAD
Retailer 4$5,276 CAD
Retailer 5$7,572 CAD
Queensmith$8,560 CAD

35 data points across 9 retailers

18 retailers$3,451 CAD to $8,560 CAD

A
Cheapest Retailer
-
$3,451 CAD
HK$19,300 HKD
A
Retailer 2
-
$3,599 CAD
₹245,396 INR
View
A
Retailer 3
-
$4,136 CAD
$2,961 USD
View
A
Retailer 4
-
$4,180 CAD
$2,992 USD
View
Final sale: no returns
A
Retailer 5
-
$4,231 CAD
$3,029 USD
View
A
Retailer 6
-
$4,298 CAD
SGD 4,158 SGD
View
Retailer 7
-
$4,527 CAD
$3,241 USD
View
Price last confirmed 34 days ago
Retailer 8
-
$4,527 CAD
$3,241 USD
View
Price last confirmed 24 days ago
Retailer 9
-
$4,527 CAD
$3,241 USD
View
Price last confirmed 21 days ago
B+
Retailer 10
-
$4,663 CAD
£2,629 GBP
View
Retailer 11
-
$4,702 CAD
$3,366 USD
View
Price last confirmed 33 days ago
B+
Retailer 12
-
$4,728 CAD
$3,385 USD
View
B+
Retailer 13
-
$4,794 CAD
SGD 4,638 SGD
View
Retailer 14
-
$5,224 CAD
$3,740 USD
View
Price last confirmed 33 days ago
B+
Retailer 15
-
$5,276 CAD
€3,597 EUR
View
B
Retailer 16
-
$7,572 CAD
£4,268 GBP
View
Retailer 17
-
$7,888 CAD
$5,647 USD
View
Price last confirmed 35 days ago
Most Expensive
B
Queensmith
6545460107 · Oct 28
$8,560 CAD
£4,825 GBP
View
17 more retailers have this diamond
Prices start from $3,451 CADSave up to $5,109 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
$3,451 CAD