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Round|Natural|GIA

1.20ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 3555882621

Certificate GIA 3555882621

Diamond specifications and retailer prices

From $3,969 NZD
As of November 5, 2026
Save $4,153 NZD (51%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $8,121 NZD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

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 3555882621. Listed at 10 retailers as of November 5, 2026, with prices from $3,969 to $8,121, a $4,153 spread on the same certified stone. Wholesale Diamonds Direct lists it at $8,121. 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 angle33.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 3555882621
Dimensions6.87 × 6.91 × 4.13 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.87 mm6.91 mm1.20 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555882621
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 59.9%

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 5
Current: $5,935 NZD|Low: $3,945 NZD|High: $8,986 NZD|Avg: $6,150 NZD|-10.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Wholesale Diamonds Direct
November 5, 2026
Retailer 2$3,969 NZD
Retailer 4$4,872 NZD
Retailer 5$4,955 NZD
Retailer 8$5,395 NZD
Retailer 6$5,794 NZD
Retailer 1$5,935 NZD
Retailer 7$5,980 NZD
Retailer 3$6,207 NZD
Retailer 9$7,555 NZD
Wholesale Diamonds Direct$8,121 NZD

32 data points across 10 retailers

10 retailers$3,969 NZD to $8,121 NZD

A
Cheapest Retailer
-
$3,969 NZD
A
Retailer 2
-
$4,872 NZD
View
A
Retailer 3
-
$4,955 NZD
View
A
Retailer 4
-
$5,395 NZD
View
A
Retailer 5
-
$5,794 NZD
View
A
Retailer 6
-
$5,935 NZD
View
B+
Retailer 7
-
$5,980 NZD
View
B+
Retailer 8
-
$6,207 NZD
View
B+
Retailer 9
-
$7,555 NZD
View
Most Expensive
B+
Wholesale Diamonds Direct
610677879 · Nov 6
$8,121 NZD
$4,502 USD
View
9 more retailers have this diamond
Prices start from $3,969 NZDSave up to $4,153 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
$3,969 NZD