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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 $319 AUD
$224 USD
As of October 30, 2026
Save $2,357 AUD (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,676 AUD 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 $319 to $2,676, a $2,357 spread on the same certified stone. Brilliant Earth lists it at $2,676. 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
Colour
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 30
Current: $2,676 AUD|Low: $269 AUD|High: $2,676 AUD|Avg: $1,003 AUD
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 30, 2026
Retailer 2$319 AUD
Retailer 3$498 AUD
Retailer 13$596 AUD
Retailer 10$607 AUD
Retailer 8$648 AUD
Retailer 5$752 AUD
Retailer 4$808 AUD
Retailer 11$864 AUD
Retailer 15$1,079 AUD
Retailer 14$1,140 AUD
Retailer 6$1,213 AUD
Retailer 9$1,661 AUD
Retailer 7$1,701 AUD
Retailer 12$2,078 AUD
Brilliant Earth$2,676 AUD

37 data points across 15 retailers

21 retailers$319 AUD to $2,676 AUD

Retailer 1
-
$285 AUD
$200 USD
Price last confirmed 19 days ago
Retailer 2
-
$288 AUD
$202 USD
View
Price last confirmed 36 days ago
A
Retailer 3
-
$319 AUD
$224 USD
View
Final sale: no returns
Retailer 4
-
$333 AUD
$234 USD
View
Price last confirmed 35 days ago
Retailer 5
-
$352 AUD
$247 USD
View
Price last confirmed 35 days ago
Retailer 6
-
$353 AUD
$248 USD
View
Price last confirmed 22 days ago
Retailer 7
-
$353 AUD
$248 USD
View
Price last confirmed 27 days ago
B+
Retailer 8
-
$498 AUD
$350 USD
View
A
Retailer 9
-
$607 AUD
ZAR 6,892 ZAR
View
A
Retailer 10
-
$648 AUD
£359 GBP
View
A
Retailer 11
-
$752 AUD
$529 USD
View
A
Retailer 12
-
$808 AUD
$568 USD
View
A
Retailer 13
-
$864 AUD
View
B+
Retailer 14
-
$1,079 AUD
$758 USD
View
Retailer 15
-
$1,137 AUD
$799 USD
View
Price last confirmed 22 days ago
B+
Retailer 16
-
$1,140 AUD
$801 USD
View
B+
Retailer 17
-
$1,213 AUD
$852 USD
View
B+
Retailer 18
-
$1,661 AUD
£919 GBP
View
B
Retailer 19
-
$1,701 AUD
$1,195 USD
View
Retailer 20
-
$2,078 AUD
$1,460 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
18047805A · Oct 29
$2,676 AUD
$1,880 USD
View
20 more retailers have this diamond
Prices start from $319 AUDSave up to $2,357 AUD

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
$319 AUD