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Round|Lab Grown|IGI

1.20ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG789630364

Shape and cutting style on the report: Round brilliant

Certificate IGI LG789630364

Diamond specifications and retailer prices

From $186 USD
As of October 29, 2026
Save $1,604 USD (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,790 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 LG789630364 or 789630364. Listed at 17 retailers as of October 29, 2026, with prices from $186 to $1,790, a $1,604 spread on the same certified stone. Do Amore Diamonds lists it at $1,790. 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 angle32.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG789630364
Dimensions6.91 × 6.88 × 4.17 mm
L/W Ratio1.00
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
6.91 mm6.88 mm1.20 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG789630364
Side View
Table 56.0%Crown 32.9°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.4%

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 29
Current: $1,790 USD|Low: $148 USD|High: $1,790 USD|Avg: $643 USD
Do Amore Diamonds
Retailer 2
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Retailer 17
October 27, 2026
Retailer 5$209 USD
Retailer 4$216 USD
Retailer 8$234 USD
Retailer 9$386 USD
Retailer 3$392 USD
Retailer 2$397 USD
Retailer 17$406 USD
Retailer 6$486 USD
Retailer 14$486 USD
Retailer 16$552 USD
Retailer 10$564 USD
Retailer 12$745 USD
Retailer 15$916 USD
Retailer 11$1,086 USD
Retailer 13$1,096 USD
Retailer 7$1,610 USD
Do Amore Diamonds$1,790 USD

20 data points across 17 retailers

17 retailers$186 USD to $1,790 USD

A
Cheapest Retailer
-
$186 USD
A
Retailer 2
-
$209 USD
View
Final sale: no returns
A
Retailer 3
-
$216 USD
View
A
Retailer 4
-
$231 USD
View
A
Retailer 5
-
$231 USD
View
A
Retailer 6
-
$397 USD
ZAR 6,411 ZAR
View
A
Retailer 7
-
$406 USD
View
Retailer 8
-
$486 USD
View
Price last confirmed 29 days ago
A
Retailer 9
-
$486 USD
View
A
Retailer 10
-
$552 USD
View
A
Retailer 11
-
$564 USD
A$867 AUD
View
B+
Retailer 12
-
$743 USD
View
B+
Retailer 13
-
$745 USD
View
B+
Retailer 14
-
$916 USD
View
B+
Retailer 15
-
$1,086 USD
£855 GBP
View
B
Retailer 16
-
$1,096 USD
View
Most Expensive
B
Do Amore Diamonds
27-1AE14DD43 · Oct 29
$1,790 USD
View
16 more retailers have this diamond
Prices start from $186 USDSave up to $1,604 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
$186 USD