Round|Natural|GIA

1.20ct H IF Round Natural Diamond

EX • H/IF • GIA 6545583394

Certificate GIA 6545583394

Diamond specifications and retailer prices

From $3,680 USD
As of November 5, 2026
Save $478 USD (11%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $4,158 USD at Michael Trio · As of November 5, 2026
View at Michael Trio

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6545583394. Listed at 6 retailers as of November 5, 2026, with a relatively tight 13% spread, which is unusual at this carat range and suggests competitive pricing across the listings. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
H
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6545583394
Dimensions6.71 × 6.76 × 4.26 mm
L/W Ratio1.01
Top View
6.71 mm6.76 mm1.20 ctH / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6545583394
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: $4,158 USD|Low: $3,527 USD|High: $4,573 USD|Avg: $4,076 USD|-5.0%
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 2$3,680 USD
Retailer 4$3,917 USD
Retailer 5$4,017 USD
Retailer 6$4,088 USD
Retailer 3$4,148 USD
Michael Trio$4,158 USD

46 data points across 6 retailers

6 retailers$3,680 USD to $4,158 USD

A
Cheapest Retailer
-
$3,680 USD
A
Retailer 2
-
$3,917 USD
View
A
Retailer 3
-
$4,017 USD
View
Final sale: no returns
A
Retailer 4
-
$4,088 USD
View
A
Retailer 5
-
$4,148 USD
View
Most Expensive
A
Michael Trio
9306665500 · Nov 5
$4,158 USD
SGD 5,619 SGD
View
5 more retailers have this diamond
Prices start from $3,680 USDSave up to $478 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
$3,680 USD