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Round|Natural|GIA

1.20ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6555733463

Certificate GIA 6555733463

Diamond specifications and retailer prices

From $1,702 USD
As of November 6, 2026
Save $3,213 USD (65%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $4,915 USD at NZ Jewellers · As of November 5, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6555733463. Listed at 8 retailers as of November 5, 2026, with prices from $1,702 to $4,915, a $3,213 spread on the same certified stone. NZ Jewellers lists it at $4,915. 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
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6555733463
Dimensions6.70 × 6.75 × 4.22 mm
L/W Ratio1.01
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
6.70 mm6.75 mm1.20 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555733463
Side View
Table 57.0%CrownGirdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 62.7%

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 6
Current: $4,915 USD|Low: $1,702 USD|High: $5,317 USD|Avg: $3,061 USD|-7.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 2$1,702 USD
Retailer 7$2,351 USD
Retailer 3$2,365 USD
Retailer 5$2,460 USD
Retailer 8$2,618 USD
Retailer 4$2,880 USD
Retailer 6$4,118 USD
NZ Jewellers$4,915 USD

35 data points across 8 retailers

8 retailers$1,702 USD to $4,915 USD

A
Cheapest Retailer
-
$1,702 USD
A
Retailer 2
-
$2,351 USD
View
A
Retailer 3
-
$2,365 USD
View
A
Retailer 4
-
$2,460 USD
View
A
Retailer 5
-
$2,618 USD
View
A
Retailer 6
-
$2,880 USD
View
B+
Retailer 7
-
$4,118 USD
View
Most Expensive
B
NZ Jewellers
b1f26f41-5eed-4a54-bf82-32169e994469 · Nov 5
$4,915 USD
View
7 more retailers have this diamond
Prices start from $1,702 USDSave up to $3,213 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
$1,702 USD