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Round|Natural|GIA

1.20ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 6565633716

Certificate GIA 6565633716

Diamond specifications and retailer prices

From $4,319 AUD
HK$23,700 HKD
As of November 1, 2026
Save $5,588 AUD (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $9,907 AUD at NZ Jewellers · As of October 30, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6565633716. Listed at 19 retailers as of October 30, 2026, with prices from $4,319 to $9,907, a $5,588 spread on the same certified stone. NZ Jewellers lists it at $9,907. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6565633716
Dimensions6.79 × 6.75 × 4.23 mm
L/W Ratio1.01
Top View
6.79 mm6.75 mm1.20 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565633716
Side View
Table 60.0%Crown 35°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.6%

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: $9,907 AUD|Low: $4,282 AUD|High: $9,907 AUD|Avg: $6,129 AUD
NZ Jewellers
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
November 1, 2026
Retailer 17$4,319 AUD
Retailer 2$4,339 AUD
Retailer 7$4,940 AUD
Retailer 9$5,004 AUD
Retailer 10$5,196 AUD
Retailer 4$5,424 AUD
Retailer 11$5,437 AUD
Retailer 13$5,472 AUD
Retailer 8$5,687 AUD
Retailer 18$5,687 AUD
Retailer 15$5,733 AUD
Retailer 6$5,896 AUD
Retailer 19$6,065 AUD
Retailer 12$6,344 AUD
Retailer 5$6,561 AUD
Retailer 16$6,990 AUD
Retailer 3$8,343 AUD
Retailer 14$9,510 AUD
NZ Jewellers$9,907 AUD

16 data points across 19 retailers

19 retailers$4,319 AUD to $9,907 AUD

A
Cheapest Retailer
-
$4,319 AUD
HK$23,700 HKD
A
Retailer 2
-
$4,339 AUD
₹290,297 INR
View
Retailer 3
-
$4,940 AUD
$3,470 USD
View
Price last confirmed 7 days ago
B+
Retailer 4
-
$5,004 AUD
$3,515 USD
View
B+
Retailer 5
-
$5,196 AUD
$3,650 USD
View
B+
Retailer 6
-
$5,424 AUD
$3,810 USD
View
B+
Retailer 7
-
$5,437 AUD
SGD 5,161 SGD
View
B+
Retailer 8
-
$5,472 AUD
£3,026 GBP
View
B+
Retailer 9
-
$5,687 AUD
$3,995 USD
View
B+
Retailer 10
-
$5,687 AUD
$3,995 USD
View
B+
Retailer 11
-
$5,733 AUD
£3,171 GBP
View
B+
Retailer 12
-
$5,896 AUD
$4,142 USD
View
B
Retailer 13
-
$6,065 AUD
$4,260 USD
View
B+
Retailer 14
-
$6,344 AUD
€4,244 EUR
View
B+
Retailer 15
-
$6,561 AUD
$4,609 USD
View
B+
Retailer 16
-
$6,990 AUD
ZAR 79,324 ZAR
View
B
Retailer 17
-
$8,343 AUD
$5,861 USD
View
B
Retailer 18
-
$9,510 AUD
£5,260 GBP
View
Most Expensive
B
NZ Jewellers
54ff254c-9427-4865-afaa-6da96d9d2f6d · Oct 30
$9,907 AUD
$6,959 USD
View
18 more retailers have this diamond
Prices start from $4,319 AUDSave up to $5,588 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
$4,319 AUD