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Round|Natural|GIA

1.20ct I IF Round Natural Diamond

EX • I/IF • GIA 6542156690

Certificate GIA 6542156690

Diamond specifications and retailer prices

From $5,625 AUD
As of November 6, 2026
Save $6,557 AUD (54%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $13,093 AUD at NZ Jewellers · As of September 26, 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 I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6542156690. Listed at 18 retailers as of November 4, 2026, with a 117% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
I
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6542156690
Dimensions6.72 × 6.77 × 4.24 mm
L/W Ratio1.01
Top View
6.72 mm6.77 mm1.20 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542156690
Side View
Table 56.0%Crown 35.5°Girdle: THN-THNPavilion 40.8°Culet: NoneDepth 62.9%

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 6
Current: $7,145 AUD|Low: $5,625 AUD|High: $12,618 AUD|Avg: $7,942 AUD|-2.7%
Retailer 1
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
November 6, 2026
Retailer 6$5,625 AUD
Retailer 3$6,689 AUD
Retailer 15$6,881 AUD
Retailer 16$7,079 AUD
Retailer 12$7,126 AUD
Retailer 1$7,145 AUD
Retailer 14$7,165 AUD
Retailer 7$7,223 AUD
Retailer 4$7,693 AUD
Retailer 5$7,811 AUD
Retailer 8$7,829 AUD
Retailer 10$8,401 AUD
Retailer 11$8,612 AUD
Retailer 9$9,358 AUD
Retailer 2$10,914 AUD
Retailer 13$12,182 AUD

38 data points across 16 retailers

18 retailers$5,625 AUD to $12,182 AUD

A
Cheapest Retailer
-
$5,625 AUD
A
Retailer 2
-
$6,689 AUD
View
A
Retailer 3
-
$6,881 AUD
View
B+
Retailer 4
-
$7,079 AUD
View
Final sale: no returns
A
Retailer 5
-
$7,126 AUD
View
B+
Retailer 6
-
$7,145 AUD
View
B+
Retailer 7
-
$7,165 AUD
View
Retailer 8
-
$7,223 AUD
View
Price last confirmed 11 days ago
B+
Retailer 9
-
$7,693 AUD
View
Retailer 10
-
$7,811 AUD
View
Price last confirmed 28 days ago
Retailer 11
-
$7,829 AUD
View
Price last confirmed 38 days ago
B+
Retailer 12
-
$8,401 AUD
View
B+
Retailer 13
-
$8,612 AUD
View
Retailer 14
-
$9,032 AUD
View
Price last confirmed 38 days ago
B+
Retailer 15
-
$9,358 AUD
View
B
Retailer 16
-
$10,914 AUD
View
B
Retailer 17
-
$12,182 AUD
View
Most Expensive
NZ Jewellers
edb90cc5-13e8-490c-ba65-9b780c37de8c · Sep 26
$13,093 AUD
$8,996 USD
View
Price last confirmed 40 days ago
17 more retailers have this diamond
Prices start from $5,625 AUDSave up to $6,557 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.

A
1.20ct Round
$5,625 AUD