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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 $3,533 USD
HK$27,600 HKD
As of October 30, 2026
Save $6,788 USD (66%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $10,321 USD at Diamond Quarter · As of October 29, 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 29, 2026, with prices from $3,533 to $10,321, a $6,788 spread on the same certified stone. Diamond Quarter lists it at $10,321. 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
Color
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 30
Current: $4,759 USD|Low: $3,533 USD|High: $8,392 USD|Avg: $5,170 USD|-3.3%
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
October 31, 2026
Retailer 4$3,533 USD
Retailer 11$3,635 USD
Retailer 7$4,201 USD
Retailer 8$4,446 USD
Retailer 14$4,540 USD
Retailer 6$4,541 USD
Retailer 12$4,648 USD
Retailer 1$4,759 USD
Retailer 2$4,817 USD
Retailer 3$4,817 USD
Retailer 5$4,967 USD
Retailer 9$5,031 USD
Retailer 10$5,452 USD
Retailer 16$5,558 USD
Retailer 17$5,865 USD
Retailer 13$7,713 USD
Retailer 15$8,392 USD

24 data points across 17 retailers

18 retailers$3,533 USD to $10,321 USD

A
Cheapest Retailer
-
$3,533 USD
HK$27,600 HKD
A
Retailer 2
-
$3,635 USD
₹346,176 INR
View
B+
Retailer 3
-
$4,201 USD
View
B+
Retailer 4
-
$4,446 USD
View
Final sale: no returns
B+
Retailer 5
-
$4,540 USD
View
B+
Retailer 6
-
$4,541 USD
SGD 6,137 SGD
View
B+
Retailer 7
-
$4,648 USD
£3,660 GBP
View
B+
Retailer 8
-
$4,759 USD
£3,747 GBP
View
B+
Retailer 9
-
$4,817 USD
View
B+
Retailer 10
-
$4,817 USD
View
B+
Retailer 11
-
$4,967 USD
View
Retailer 12
-
$5,031 USD
A$7,740 AUD
View
Price last confirmed 21 days ago
B+
Retailer 13
-
$5,452 USD
€5,192 EUR
View
B+
Retailer 14
-
$5,558 USD
View
B+
Retailer 15
-
$5,865 USD
ZAR 94,753 ZAR
View
B
Retailer 16
-
$7,713 USD
£6,073 GBP
View
B
Retailer 17
-
$8,392 USD
View
Most Expensive
B
Diamond Quarter
1.2SI1D74035DEBN · Oct 29
$10,321 USD
£8,127 GBP
View
17 more retailers have this diamond
Prices start from $3,533 USDSave up to $6,788 USD

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
$3,533 USD