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Round|Natural|GIA

1.20ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 6515997341

Certificate GIA 6515997341

Diamond specifications and retailer prices

From $4,429 AUD
As of November 4, 2026
Save $4,754 AUD (52%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $9,183 AUD at MOH London · As of November 4, 2026
View at MOH London

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 6515997341. Listed at 22 retailers as of November 4, 2026, with prices from $4,429 to $9,183, a $4,754 spread on the same certified stone. MOH London lists it at $9,183. 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
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6515997341
Dimensions6.82 × 6.78 × 4.19 mm
L/W Ratio1.01
Star length50%
Top View
6.82 mm6.78 mm1.20 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6515997341
Side View
Table 58.0%Crown 34.5°Girdle: Sli. ThickPavilion 41.4°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $9,183 AUD|Low: $3,567 AUD|High: $9,209 AUD|Avg: $5,054 AUD|+17.1%
MOH London
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
Retailer 19
Retailer 20
November 6, 2026
Retailer 5$3,676 AUD
Retailer 6$3,787 AUD
Retailer 9$3,820 AUD
Retailer 3$3,983 AUD
Retailer 10$4,199 AUD
Retailer 12$4,360 AUD
Retailer 16$4,429 AUD
Retailer 4$4,464 AUD
Retailer 7$4,510 AUD
Retailer 8$4,596 AUD
Retailer 2$5,050 AUD
Retailer 19$5,104 AUD
Retailer 20$5,119 AUD
Retailer 15$5,647 AUD
Retailer 17$5,647 AUD
Retailer 14$5,663 AUD
Retailer 18$5,836 AUD
Retailer 13$6,012 AUD
Retailer 11$8,075 AUD
MOH London$9,183 AUD

33 data points across 20 retailers

22 retailers$4,429 AUD to $9,183 AUD

Retailer 1
-
$3,820 AUD
Price last confirmed 16 days ago
Retailer 2
-
$3,835 AUD
View
Price last confirmed 43 days ago
Retailer 3
-
$3,983 AUD
View
Price last confirmed 15 days ago
Retailer 4
-
$4,199 AUD
View
Price last confirmed 50 days ago
Retailer 5
-
$4,199 AUD
View
Price last confirmed 21 days ago
Retailer 6
-
$4,360 AUD
View
Price last confirmed 38 days ago
B+
Retailer 7
-
$4,429 AUD
View
Retailer 8
-
$4,464 AUD
View
Price last confirmed 15 days ago
Retailer 9
-
$4,510 AUD
View
Price last confirmed 16 days ago
Retailer 10
-
$4,596 AUD
View
Price last confirmed 16 days ago
Retailer 11
-
$4,845 AUD
View
Price last confirmed 50 days ago
B+
Retailer 12
-
$5,050 AUD
View
Retailer 13
-
$5,104 AUD
View
Price last confirmed 14 days ago
Retailer 14
-
$5,119 AUD
View
Price last confirmed 14 days ago
B
Retailer 15
-
$5,647 AUD
View
B
Retailer 16
-
$5,647 AUD
View
B
Retailer 17
-
$5,663 AUD
View
B
Retailer 18
-
$5,836 AUD
View
B
Retailer 19
-
$6,012 AUD
View
Retailer 20
-
$8,075 AUD
View
Price last confirmed 49 days ago
Retailer 21
-
$8,075 AUD
View
Price last confirmed 17 days ago
Most Expensive
B
MOH London
77D570506 · Nov 4
$9,183 AUD
£4,968 GBP
View
21 more retailers have this diamond
Prices start from $4,429 AUDSave up to $4,754 AUD

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
$4,429 AUD