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Round|Natural|GIA

1.20ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 1216036283

Certificate GIA 1216036283

Diamond specifications and retailer prices

From $2,923 USD
As of November 6, 2026
Save $4,890 USD (63%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $7,813 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1216036283. Listed at 18 retailers as of November 5, 2026, with prices from $2,923 to $7,813, a $4,890 spread on the same certified stone. Diamond Quarter lists it at $7,813. 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
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1216036283
Dimensions6.77 × 6.73 × 4.24 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Culet sizeNone
Top View
6.77 mm6.73 mm1.20 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1216036283
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.8%

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: $3,341 USD|Low: $2,533 USD|High: $6,150 USD|Avg: $3,686 USD|+1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 11$2,923 USD
Retailer 6$2,960 USD
Retailer 9$3,040 USD
Retailer 8$3,292 USD
Retailer 10$3,292 USD
Retailer 2$3,307 USD
Retailer 1$3,341 USD
Retailer 7$3,419 USD
Retailer 3$3,799 USD
Retailer 4$4,227 USD
Retailer 5$6,061 USD

42 data points across 11 retailers

18 retailers$2,923 USD to $7,813 USD

A
Cheapest Retailer
-
$2,923 USD
A
Retailer 2
-
$2,960 USD
View
B+
Retailer 3
-
$3,040 USD
View
Final sale: no returns
B+
Retailer 4
-
$3,084 USD
View
Retailer 5
-
$3,292 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$3,292 USD
View
B+
Retailer 7
-
$3,307 USD
View
B+
Retailer 8
-
$3,341 USD
View
B+
Retailer 9
-
$3,419 USD
View
B+
Retailer 10
-
$3,580 USD
View
B+
Retailer 11
-
$3,580 USD
View
B+
Retailer 12
-
$3,700 USD
View
B
Retailer 13
-
$3,799 USD
View
Retailer 14
-
$4,116 USD
View
Price last confirmed 14 days ago
B+
Retailer 15
-
$4,227 USD
View
B
Retailer 16
-
$6,061 USD
View
B
Retailer 17
-
$6,332 USD
View
Most Expensive
B
Diamond Quarter
1.2SI2H1283D34AN · Nov 5
$7,813 USD
£6,152 GBP
View
17 more retailers have this diamond
Prices start from $2,923 USDSave up to $4,890 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
$2,923 USD