Round|Natural|GIA

1.20ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 3555882621

Certificate GIA 3555882621

Diamond specifications and retailer prices

From $2,200 USD
As of November 5, 2026
Save $2,302 USD (51%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,502 USD at Wholesale Diamonds Direct · As of November 4, 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 4, 2026, with prices from $2,200 to $4,502, a $2,302 spread on the same certified stone. Wholesale Diamonds Direct lists it at $4,502. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $3,290 USD|Low: $2,187 USD|High: $5,079 USD|Avg: $3,411 USD|-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$2,200 USD
Retailer 4$2,701 USD
Retailer 5$2,747 USD
Retailer 8$2,991 USD
Retailer 6$3,212 USD
Retailer 1$3,290 USD
Retailer 7$3,315 USD
Retailer 3$3,441 USD
Retailer 9$4,188 USD
Wholesale Diamonds Direct$4,502 USD

33 data points across 10 retailers

10 retailers$2,200 USD to $4,502 USD

A
Cheapest Retailer
-
$2,200 USD
A
Retailer 2
-
$2,701 USD
View
A
Retailer 3
-
$2,747 USD
View
A
Retailer 4
-
$2,991 USD
View
A
Retailer 5
-
$3,212 USD
View
A
Retailer 6
-
$3,290 USD
View
B+
Retailer 7
-
$3,315 USD
View
B+
Retailer 8
-
$3,441 USD
View
B+
Retailer 9
-
$4,188 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
610677879 · Nov 4
$4,502 USD
View
9 more retailers have this diamond
Prices start from $2,200 USDSave up to $2,302 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
$2,200 USD