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Round|Lab Grown|IGI

1.20ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG808614421

Shape and cutting style on the report: Round brilliant

Certificate IGI LG808614421

Diamond specifications and retailer prices

From $216 USD
As of October 28, 2026
Save $1,344 USD (86%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,560 USD at Brilliant Earth · As of October 29, 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 LG808614421 or 808614421. Listed at 23 retailers as of October 28, 2026, with prices from $216 to $1,560, a $1,344 spread on the same certified stone. Brilliant Earth lists it at $1,560. 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 angle34.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG808614421
Dimensions6.84 × 6.80 × 4.23 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.84 mm6.80 mm1.20 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG808614421
Side View
Table 56.0%Crown 34.3°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.0%

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 28
Current: $1,560 USD|Low: $153 USD|High: $1,610 USD|Avg: $714 USD|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 29, 2026
Retailer 4$216 USD
Retailer 15$338 USD
Retailer 8$407 USD
Retailer 10$410 USD
Retailer 2$434 USD
Retailer 5$505 USD
Retailer 3$559 USD
Retailer 11$582 USD
Retailer 14$627 USD
Retailer 13$771 USD
Retailer 6$822 USD
Retailer 9$1,123 USD
Retailer 7$1,170 USD
Retailer 12$1,195 USD
Brilliant Earth$1,560 USD

36 data points across 15 retailers

23 retailers$216 USD to $1,560 USD

A
Retailer 1
-
$193 USD
Price last confirmed 37 days ago
A
Retailer 2
-
$193 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
$216 USD
View
Final sale: no returns
A
Retailer 4
-
$223 USD
View
Price last confirmed 37 days ago
A
Retailer 5
-
$236 USD
View
Price last confirmed 35 days ago
A
Retailer 6
-
$239 USD
View
Price last confirmed 17 days ago
A
Retailer 7
-
$239 USD
View
Price last confirmed 27 days ago
B+
Retailer 8
-
$338 USD
View
A
Retailer 9
-
$407 USD
€388 EUR
View
A
Retailer 10
-
$410 USD
ZAR 6,626 ZAR
View
A
Retailer 11
-
$434 USD
£342 GBP
View
A
Retailer 12
-
$505 USD
View
A
Retailer 13
-
$559 USD
View
A
Retailer 14
-
$582 USD
A$896 AUD
View
B+
Retailer 15
-
$627 USD
View
B+
Retailer 16
-
$768 USD
View
Price last confirmed 32 days ago
B+
Retailer 17
-
$768 USD
View
Price last confirmed 29 days ago
B+
Retailer 18
-
$771 USD
View
B+
Retailer 19
-
$822 USD
View
B+
Retailer 20
-
$1,123 USD
£884 GBP
View
B
Retailer 21
-
$1,170 USD
View
B
Retailer 22
-
$1,195 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
20536249A · Oct 29
$1,560 USD
View
22 more retailers have this diamond
Prices start from $216 USDSave up to $1,344 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
$216 USD