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Round|Lab Grown|IGI

1.20ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG774674272

Shape and cutting style on the report: Round brilliant

Certificate IGI LG774674272

Diamond specifications and retailer prices

From $239 USD
As of October 25, 2026
Save $2,091 USD (90%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,330 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.2ct lab-grown round diamond

This 1.2ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG774674272 or 774674272. Listed at 14 retailers as of October 25, 2026, with prices from $239 to $2,330, a $2,091 spread on the same certified stone. Brilliant Earth lists it at $2,330. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG774674272
Dimensions6.79 × 6.75 × 4.20 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.79 mm6.75 mm1.20 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG774674272
Side View
Table 59.0%Crown 35.6°Girdle: MediumPavilion 41.2°Culet: NoneDepth 61.9%

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: Oct 25
Current: $2,330 USD|Low: $239 USD|High: $2,330 USD|Avg: $705 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 10$239 USD
Retailer 3$320 USD
Retailer 6$390 USD
Retailer 7$410 USD
Retailer 2$433 USD
Retailer 11$484 USD
Retailer 8$519 USD
Retailer 5$901 USD
Retailer 4$1,123 USD
Retailer 9$1,195 USD
Brilliant Earth$2,330 USD

44 data points across 11 retailers

14 retailers$239 USD to $2,330 USD

A
Cheapest Retailer
-
$239 USD
B+
Retailer 2
-
$320 USD
View
A
Retailer 3
-
$390 USD
€371 EUR
View
A
Retailer 4
-
$410 USD
ZAR 6,629 ZAR
View
A
Retailer 5
-
$433 USD
£341 GBP
View
A
Retailer 6
-
$484 USD
View
Retailer 7
-
$514 USD
View
Price last confirmed 16 days ago
A
Retailer 8
-
$519 USD
A$798 AUD
View
B+
Retailer 9
-
$627 USD
View
B+
Retailer 10
-
$822 USD
View
B+
Retailer 11
-
$901 USD
A$1,386 AUD
View
B+
Retailer 12
-
$1,123 USD
£884 GBP
View
Retailer 13
-
$1,195 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
17823958A · Oct 30
$2,330 USD
View
13 more retailers have this diamond
Prices start from $239 USDSave up to $2,091 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
$239 USD