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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 $6,336 NZD
HK$27,900 HKD
As of November 1, 2026
Save $11,977 NZD (65%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $18,313 NZD 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 $6,336 to $18,313, a $11,977 spread on the same certified stone. Diamond Quarter lists it at $18,313. 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: Nov 1
Current: $8,374 NZD|Low: $6,268 NZD|High: $14,890 NZD|Avg: $9,157 NZD|-4.5%
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 2, 2026
Retailer 14$6,336 NZD
Retailer 10$6,426 NZD
Retailer 7$7,454 NZD
Retailer 8$7,889 NZD
Retailer 15$8,055 NZD
Retailer 6$8,058 NZD
Retailer 11$8,223 NZD
Retailer 1$8,374 NZD
Retailer 3$8,547 NZD
Retailer 4$8,547 NZD
Retailer 5$8,814 NZD
Retailer 9$9,628 NZD
Retailer 2$9,862 NZD
Retailer 13$10,505 NZD
Retailer 12$13,613 NZD
Retailer 16$14,890 NZD

24 data points across 16 retailers

18 retailers$6,336 NZD to $18,313 NZD

A
Cheapest Retailer
-
$6,336 NZD
HK$27,900 HKD
A
Retailer 2
-
$6,426 NZD
₹344,900 INR
View
B+
Retailer 3
-
$7,454 NZD
$4,201 USD
View
B+
Retailer 4
-
$7,889 NZD
$4,446 USD
View
Final sale: no returns
B+
Retailer 5
-
$8,055 NZD
$4,540 USD
View
B+
Retailer 6
-
$8,058 NZD
SGD 6,137 SGD
View
B+
Retailer 7
-
$8,223 NZD
£3,649 GBP
View
B+
Retailer 8
-
$8,374 NZD
£3,716 GBP
View
B+
Retailer 9
-
$8,547 NZD
$4,817 USD
View
B+
Retailer 10
-
$8,547 NZD
$4,817 USD
View
B+
Retailer 11
-
$8,814 NZD
$4,967 USD
View
Retailer 12
-
$8,927 NZD
A$7,740 AUD
View
Price last confirmed 23 days ago
B+
Retailer 13
-
$9,628 NZD
€5,168 EUR
View
B+
Retailer 14
-
$9,862 NZD
$5,558 USD
View
B+
Retailer 15
-
$10,505 NZD
ZAR 95,648 ZAR
View
B
Retailer 16
-
$13,613 NZD
£6,041 GBP
View
B
Retailer 17
-
$14,890 NZD
$8,392 USD
View
Most Expensive
B
Diamond Quarter
1.2SI1D74035DEBN · Oct 31
$18,313 NZD
£8,127 GBP
View
17 more retailers have this diamond
Prices start from $6,336 NZDSave up to $11,977 NZD

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
$6,336 NZD