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Round|Natural|GIA

1.20ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1569020769

Certificate GIA 1569020769

Diamond specifications and retailer prices

From $3,517 AUD
HK$19,300 HKD
As of November 1, 2026
Save $4,248 AUD (55%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $8,228 AUD at NZ Jewellers · As of October 6, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1569020769. Listed at 25 retailers as of November 1, 2026, with a 121% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1569020769
Dimensions6.70 × 6.74 × 4.22 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
6.70 mm6.74 mm1.20 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1569020769
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.8%

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: $4,214 AUD|Low: $3,426 AUD|High: $7,995 AUD|Avg: $4,811 AUD|-11.1%
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
Retailer 17
Retailer 18
Retailer 19
November 1, 2026
Retailer 14$3,517 AUD
Retailer 11$3,570 AUD
Retailer 16$3,767 AUD
Retailer 13$3,887 AUD
Retailer 5$3,891 AUD
Retailer 6$3,950 AUD
Retailer 4$4,171 AUD
Retailer 1$4,214 AUD
Retailer 18$4,468 AUD
Retailer 17$4,783 AUD
Retailer 2$4,823 AUD
Retailer 7$4,869 AUD
Retailer 8$5,025 AUD
Retailer 12$5,093 AUD
Retailer 9$5,293 AUD
Retailer 10$5,465 AUD
Retailer 15$5,506 AUD
Retailer 3$5,806 AUD
Retailer 19$7,765 AUD

19 data points across 19 retailers

25 retailers$3,517 AUD to $7,765 AUD

A
Cheapest Retailer
-
$3,517 AUD
HK$19,300 HKD
Retailer 2
-
$3,570 AUD
₹238,825 INR
View
Price last confirmed 17 days ago
A
Retailer 3
-
$3,767 AUD
$2,646 USD
View
A
Retailer 4
-
$3,887 AUD
View
A
Retailer 5
-
$3,891 AUD
$2,733 USD
View
B+
Retailer 6
-
$3,950 AUD
$2,775 USD
View
Final sale: no returns
A
Retailer 7
-
$4,171 AUD
$2,930 USD
View
B+
Retailer 8
-
$4,214 AUD
$2,960 USD
View
B+
Retailer 9
-
$4,468 AUD
£2,471 GBP
View
B+
Retailer 10
-
$4,616 AUD
View
Retailer 11
-
$4,698 AUD
$3,300 USD
View
Price last confirmed 16 days ago
Retailer 12
-
$4,724 AUD
$3,318 USD
View
Price last confirmed 24 days ago
B+
Retailer 13
-
$4,783 AUD
$3,360 USD
View
B+
Retailer 14
-
$4,823 AUD
£2,667 GBP
View
B+
Retailer 15
-
$4,847 AUD
$3,405 USD
View
B+
Retailer 16
-
$4,869 AUD
$3,420 USD
View
Retailer 17
-
$4,879 AUD
$3,427 USD
View
Price last confirmed 17 days ago
B+
Retailer 18
-
$5,025 AUD
$3,530 USD
View
Retailer 19
-
$5,064 AUD
View
Price last confirmed 28 days ago
B+
Retailer 20
-
$5,093 AUD
€3,407 EUR
View
Retailer 21
-
$5,421 AUD
$3,808 USD
View
Price last confirmed 16 days ago
B
Retailer 22
-
$5,506 AUD
$3,868 USD
View
B
Retailer 23
-
$5,806 AUD
ZAR 65,884 ZAR
View
B
Retailer 24
-
$7,765 AUD
£4,295 GBP
View
Most Expensive
NZ Jewellers
a87cee78-541d-4af2-b748-6f5b2b755fa0 · Oct 6
$8,228 AUD
$5,780 USD
View
Price last confirmed 26 days ago
24 more retailers have this diamond
Prices start from $3,517 AUDSave up to $4,248 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
$3,517 AUD