CaratHunter
Plans
Round|Natural|GIA

1.20ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 7521547893

Certificate GIA 7521547893

Diamond specifications and retailer prices

From $5,181 NZD
As of November 1, 2026
Save $6,041 NZD (54%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $11,222 NZD at NZ Jewellers · As of November 2, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7521547893. Listed at 22 retailers as of November 1, 2026, with prices from $5,181 to $11,222, a $6,041 spread on the same certified stone. NZ Jewellers lists it at $11,222. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7521547893
Dimensions6.77 × 6.82 × 4.22 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Culet sizeNone
Key to symbols
Cloud, Feather, Needle
Top View
6.77 mm6.82 mm1.20 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7521547893
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.1%

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: $11,222 NZD|Low: $5,285 NZD|High: $11,222 NZD|Avg: $7,012 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
November 3, 2026
Retailer 14$5,285 NZD
Retailer 4$5,386 NZD
Retailer 6$5,459 NZD
Retailer 8$5,655 NZD
Retailer 7$5,836 NZD
Retailer 16$5,836 NZD
Retailer 12$6,059 NZD
Retailer 13$6,196 NZD
Retailer 11$6,691 NZD
Retailer 18$6,734 NZD
Retailer 5$6,898 NZD
Retailer 10$7,028 NZD
Retailer 9$7,299 NZD
Retailer 3$7,479 NZD
Retailer 2$7,522 NZD
Retailer 17$7,917 NZD
Retailer 15$10,771 NZD
NZ Jewellers$11,222 NZD

26 data points across 18 retailers

22 retailers$5,181 NZD to $11,222 NZD

A
Cheapest Retailer
-
$5,181 NZD
A
Retailer 2
-
$5,285 NZD
View
B+
Retailer 3
-
$5,459 NZD
View
B+
Retailer 4
-
$5,655 NZD
View
B+
Retailer 5
-
$5,836 NZD
View
Retailer 6
-
$5,836 NZD
View
Price last confirmed 26 days ago
B+
Retailer 7
-
$6,059 NZD
View
B+
Retailer 8
-
$6,196 NZD
View
B+
Retailer 9
-
$6,270 NZD
View
B+
Retailer 10
-
$6,620 NZD
View
Retailer 11
-
$6,620 NZD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$6,691 NZD
View
B
Retailer 13
-
$6,734 NZD
View
B
Retailer 14
-
$6,837 NZD
View
Retailer 15
-
$6,898 NZD
View
Price last confirmed 30 days ago
B+
Retailer 16
-
$7,028 NZD
View
Retailer 17
-
$7,299 NZD
View
Price last confirmed 15 days ago
B
Retailer 18
-
$7,479 NZD
View
B+
Retailer 19
-
$7,522 NZD
View
B
Retailer 20
-
$7,917 NZD
View
B
Retailer 21
-
$10,771 NZD
View
Most Expensive
B
NZ Jewellers
655235fe-fedf-4e3c-8fa2-68ce32aef74c · Nov 2
$11,222 NZD
$6,221 USD
View
21 more retailers have this diamond
Prices start from $5,181 NZDSave up to $6,041 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
$5,181 NZD