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Oval|Lab Grown|IGI

1.20ct E IF Oval Lab Grown Diamond

EX • E/IF • IGI LG778610912

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG778610912

Diamond specifications and retailer prices

From $291 USD
As of October 29, 2026
Save $1,589 USD (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,880 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.2ct lab-grown oval diamond

This 1.2ct lab-grown oval 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 LG778610912 or 778610912. Listed at 21 retailers as of October 29, 2026, with prices from $291 to $1,880, a $1,589 spread on the same certified stone. Brilliant Earth lists it at $1,880. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778610912
Dimensions8.80 × 5.93 × 3.67 mm
L/W Ratio1.48
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
8.80 mm5.93 mm1.20 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778610912
Side View
Table 60.0%Crown 35.9°Girdle: MED-STKPavilion 40.4°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 29
Current: $1,880 USD|Low: $189 USD|High: $1,880 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
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 29, 2026
Retailer 2$291 USD
Retailer 3$350 USD
Retailer 13$419 USD
Retailer 10$427 USD
Retailer 8$454 USD
Retailer 5$529 USD
Retailer 4$568 USD
Retailer 11$607 USD
Retailer 15$758 USD
Retailer 14$801 USD
Retailer 6$852 USD
Retailer 9$1,167 USD
Retailer 7$1,195 USD
Retailer 12$1,460 USD
Brilliant Earth$1,880 USD

36 data points across 15 retailers

21 retailers$291 USD to $1,880 USD

Retailer 1
-
$200 USD
Price last confirmed 19 days ago
Retailer 2
-
$202 USD
View
Price last confirmed 36 days ago
Retailer 3
-
$234 USD
View
Price last confirmed 34 days ago
Retailer 4
-
$247 USD
View
Price last confirmed 34 days ago
Retailer 5
-
$248 USD
View
Price last confirmed 21 days ago
Retailer 6
-
$248 USD
View
Price last confirmed 27 days ago
A
Retailer 7
-
$291 USD
View
Final sale: no returns
B+
Retailer 8
-
$350 USD
View
A
Retailer 9
-
$427 USD
ZAR 6,892 ZAR
View
A
Retailer 10
-
$454 USD
£358 GBP
View
A
Retailer 11
-
$529 USD
View
A
Retailer 12
-
$568 USD
View
A
Retailer 13
-
$607 USD
A$934 AUD
View
B+
Retailer 14
-
$758 USD
View
Retailer 15
-
$799 USD
View
Price last confirmed 22 days ago
B+
Retailer 16
-
$801 USD
View
B+
Retailer 17
-
$852 USD
View
B+
Retailer 18
-
$1,167 USD
£919 GBP
View
B
Retailer 19
-
$1,195 USD
View
Retailer 20
-
$1,460 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
18047805A · Oct 29
$1,880 USD
View
20 more retailers have this diamond
Prices start from $291 USDSave up to $1,589 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 Oval
$291 USD