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1.20ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 7408014303

Shape and cutting style on the report: Round brilliant

Certificate GIA 7408014303

Diamond specifications and retailer prices

From $5,084 AUD
HK$27,900 HKD
As of October 31, 2026
Save $9,609 AUD (65%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $14,693 AUD at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7408014303. Listed at 18 retailers as of October 31, 2026, with prices from $5,084 to $14,693, a $9,609 spread on the same certified stone. Diamond Quarter lists it at $14,693. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 7408014303
Dimensions6.77 × 6.73 × 4.25 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
6.77 mm6.73 mm1.20 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7408014303
Side View
Table 55.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.0%

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: Oct 31
Current: $6,719 AUD|Low: $5,029 AUD|High: $11,947 AUD|Avg: $7,320 AUD|-4.6%
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
November 1, 2026
Retailer 12$5,084 AUD
Retailer 11$5,157 AUD
Retailer 7$5,981 AUD
Retailer 8$6,329 AUD
Retailer 16$6,463 AUD
Retailer 6$6,465 AUD
Retailer 14$6,617 AUD
Retailer 1$6,719 AUD
Retailer 3$6,857 AUD
Retailer 4$6,857 AUD
Retailer 5$7,072 AUD
Retailer 9$7,162 AUD
Retailer 13$7,761 AUD
Retailer 2$7,912 AUD
Retailer 10$8,429 AUD
Retailer 15$10,980 AUD
Retailer 17$11,947 AUD

24 data points across 17 retailers

18 retailers$5,084 AUD to $14,693 AUD

A
Cheapest Retailer
-
$5,084 AUD
HK$27,900 HKD
A
Retailer 2
-
$5,157 AUD
₹344,975 INR
View
B+
Retailer 3
-
$5,981 AUD
$4,201 USD
View
B+
Retailer 4
-
$6,329 AUD
$4,446 USD
View
Final sale: no returns
B+
Retailer 5
-
$6,463 AUD
$4,540 USD
View
B+
Retailer 6
-
$6,465 AUD
SGD 6,137 SGD
View
B+
Retailer 7
-
$6,617 AUD
£3,660 GBP
View
B+
Retailer 8
-
$6,719 AUD
£3,716 GBP
View
B+
Retailer 9
-
$6,857 AUD
$4,817 USD
View
B+
Retailer 10
-
$6,857 AUD
$4,817 USD
View
B+
Retailer 11
-
$7,072 AUD
$4,967 USD
View
Retailer 12
-
$7,162 AUD
View
Price last confirmed 22 days ago
B+
Retailer 13
-
$7,761 AUD
€5,192 EUR
View
B+
Retailer 14
-
$7,912 AUD
$5,558 USD
View
B+
Retailer 15
-
$8,429 AUD
ZAR 95,648 ZAR
View
B
Retailer 16
-
$10,980 AUD
£6,073 GBP
View
B
Retailer 17
-
$11,947 AUD
$8,392 USD
View
Most Expensive
B
Diamond Quarter
1.2SI1D74035DEBN · Oct 31
$14,693 AUD
£8,127 GBP
View
17 more retailers have this diamond
Prices start from $5,084 AUDSave up to $9,609 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
$5,084 AUD