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Round|Natural|GIA

1.20ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 7521547893

Certificate GIA 7521547893

Diamond specifications and retailer prices

From $2,872 USD
As of November 1, 2026
Save $3,349 USD (54%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $6,221 USD 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 $2,872 to $6,221, a $3,349 spread on the same certified stone. NZ Jewellers lists it at $6,221. 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
Color
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: $6,221 USD|Low: $2,930 USD|High: $6,221 USD|Avg: $3,893 USD
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$2,930 USD
Retailer 4$2,986 USD
Retailer 6$3,026 USD
Retailer 8$3,135 USD
Retailer 7$3,235 USD
Retailer 16$3,235 USD
Retailer 12$3,359 USD
Retailer 13$3,435 USD
Retailer 11$3,709 USD
Retailer 18$3,733 USD
Retailer 5$3,824 USD
Retailer 10$3,896 USD
Retailer 9$4,046 USD
Retailer 3$4,146 USD
Retailer 2$4,170 USD
Retailer 17$4,389 USD
Retailer 15$5,971 USD
NZ Jewellers$6,221 USD

27 data points across 18 retailers

22 retailers$2,872 USD to $6,221 USD

A
Cheapest Retailer
-
$2,872 USD
A
Retailer 2
-
$2,930 USD
View
B+
Retailer 3
-
$3,026 USD
View
B+
Retailer 4
-
$3,135 USD
View
B+
Retailer 5
-
$3,235 USD
View
Retailer 6
-
$3,235 USD
View
Price last confirmed 25 days ago
B+
Retailer 7
-
$3,359 USD
View
B+
Retailer 8
-
$3,435 USD
View
B+
Retailer 9
-
$3,476 USD
View
B+
Retailer 10
-
$3,670 USD
View
Retailer 11
-
$3,670 USD
View
Price last confirmed 7 days ago
B+
Retailer 12
-
$3,709 USD
View
B
Retailer 13
-
$3,733 USD
View
B
Retailer 14
-
$3,790 USD
View
Retailer 15
-
$3,824 USD
View
Price last confirmed 29 days ago
B+
Retailer 16
-
$3,896 USD
View
Retailer 17
-
$4,046 USD
View
Price last confirmed 14 days ago
B
Retailer 18
-
$4,146 USD
View
B+
Retailer 19
-
$4,170 USD
View
B
Retailer 20
-
$4,389 USD
View
B
Retailer 21
-
$5,971 USD
View
Most Expensive
B
NZ Jewellers
655235fe-fedf-4e3c-8fa2-68ce32aef74c · Nov 2
$6,221 USD
View
21 more retailers have this diamond
Prices start from $2,872 USDSave up to $3,349 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
$2,872 USD