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Round|Natural|GIA

1.20ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 1419051647

Certificate GIA 1419051647

Diamond specifications and retailer prices

From $2,956 USD
As of November 6, 2026
Save $4,774 USD (62%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $7,730 USD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1419051647. Listed at 14 retailers as of November 5, 2026, with prices from $2,956 to $7,730, a $4,774 spread on the same certified stone. Diamond Quarter lists it at $7,730. 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
D
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceVery Strong
Crown angle35.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1419051647
Dimensions6.81 × 6.77 × 4.26 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Feather, Cloud, Crystal, Indented Natural, Needle
Top View
6.81 mm6.77 mm1.20 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceVery Strong
CertificateGIA 1419051647
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 41.4°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: $3,806 USD|Low: $2,880 USD|High: $6,971 USD|Avg: $4,218 USD|-4.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 10$2,956 USD
Retailer 7$3,095 USD
Retailer 13$3,325 USD
Retailer 4$3,603 USD
Retailer 12$3,603 USD
Retailer 11$3,742 USD
Retailer 1$3,806 USD
Retailer 6$4,003 USD
Retailer 5$4,157 USD
Retailer 8$4,221 USD
Retailer 2$4,501 USD
Retailer 9$6,650 USD
Retailer 3$6,929 USD

40 data points across 13 retailers

14 retailers$2,956 USD to $7,730 USD

A
Cheapest Retailer
-
$2,956 USD
A
Retailer 2
-
$3,095 USD
View
A
Retailer 3
-
$3,325 USD
View
Final sale: no returns
Retailer 4
-
$3,603 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$3,603 USD
View
B+
Retailer 6
-
$3,742 USD
View
B+
Retailer 7
-
$3,806 USD
View
B+
Retailer 8
-
$4,003 USD
View
B+
Retailer 9
-
$4,157 USD
View
B+
Retailer 10
-
$4,221 USD
View
Retailer 11
-
$4,501 USD
View
Price last confirmed 14 days ago
B
Retailer 12
-
$6,650 USD
View
B
Retailer 13
-
$6,929 USD
View
Most Expensive
B
Diamond Quarter
1.2SI2D14474D8AN · Nov 5
$7,730 USD
£6,087 GBP
View
13 more retailers have this diamond
Prices start from $2,956 USDSave up to $4,774 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
$2,956 USD