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Round|Natural|GIA

1.20ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 3365657382

Certificate GIA 3365657382

Diamond specifications and retailer prices

From $7,189 NZD
As of November 5, 2026
Save $7,677 NZD (52%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $15,654 NZD at NZ Jewellers · As of October 20, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3365657382. Listed at 20 retailers as of November 4, 2026, with a 107% 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
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 3365657382
Dimensions6.81 × 6.75 × 4.14 mm
L/W Ratio1.01
Top View
6.81 mm6.75 mm1.20 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3365657382
Side View
Table 60.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $15,654 NZD|Low: $7,050 NZD|High: $15,692 NZD|Avg: $9,749 NZD
NZ Jewellers
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
Retailer 20
November 7, 2026
Retailer 7$7,091 NZD
Retailer 20$7,189 NZD
Retailer 18$7,261 NZD
Retailer 6$7,394 NZD
Retailer 14$7,750 NZD
Retailer 4$8,009 NZD
Retailer 13$8,312 NZD
Retailer 3$8,413 NZD
Retailer 10$8,478 NZD
Retailer 2$9,191 NZD
Retailer 8$9,416 NZD
Retailer 19$9,416 NZD
Retailer 9$9,723 NZD
Retailer 11$9,784 NZD
Retailer 12$9,813 NZD
Retailer 16$9,912 NZD
Retailer 5$10,331 NZD
Retailer 15$11,419 NZD
Retailer 17$14,866 NZD
NZ Jewellers$15,654 NZD

32 data points across 20 retailers

20 retailers$7,189 NZD to $14,866 NZD

B+
Cheapest Retailer
-
$7,189 NZD
Retailer 2
-
$7,261 NZD
View
Price last confirmed 17 days ago
B+
Retailer 3
-
$7,394 NZD
View
B+
Retailer 4
-
$7,750 NZD
View
Final sale: no returns
B+
Retailer 5
-
$8,009 NZD
View
Retailer 6
-
$8,312 NZD
View
Retailer 7
-
$8,478 NZD
View
Price last confirmed 18 days ago
Retailer 8
-
$8,478 NZD
View
Price last confirmed 22 days ago
Retailer 9
-
$8,478 NZD
View
Price last confirmed 23 days ago
B+
Retailer 10
-
$9,191 NZD
View
B
Retailer 11
-
$9,416 NZD
View
B
Retailer 12
-
$9,416 NZD
View
B
Retailer 13
-
$9,723 NZD
View
Retailer 14
-
$9,784 NZD
View
Price last confirmed 17 days ago
Retailer 15
-
$9,813 NZD
View
Price last confirmed 29 days ago
B
Retailer 16
-
$9,912 NZD
View
Retailer 17
-
$10,331 NZD
View
Price last confirmed 24 days ago
B
Retailer 18
-
$11,419 NZD
View
B
Retailer 19
-
$14,866 NZD
View
Most Expensive
NZ Jewellers
90a0326f-d99a-4d38-84a9-3b7d0b5f5443 · Oct 20
$15,654 NZD
$8,678 USD
View
Price last confirmed 17 days ago
19 more retailers have this diamond
Prices start from $7,189 NZDSave up to $7,677 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.

B+
1.20ct Round
$7,189 NZD