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Oval|Lab Grown|IGI

1.28ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG760576740

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG760576740

Diamond specifications and retailer prices

From $404 AUD
$284 USD
As of October 28, 2026
Save $2,443 AUD (86%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $2,847 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.28ct lab-grown oval diamond

This 1.28ct lab-grown oval sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG760576740 or 760576740. Listed at 25 retailers as of October 28, 2026, with prices from $404 to $2,847, a $2,443 spread on the same certified stone. Brilliant Earth lists it at $2,847. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG760576740
Dimensions6.21 × 6.21 × 3.76 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.21 mm6.21 mm1.28 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG760576740
Side View
Table 61.0%Crown 33.4°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $2,847 AUD|Low: $329 AUD|High: $2,918 AUD|Avg: $1,160 AUD|-2.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
Retailer 13
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Retailer 17
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Retailer 23
October 30, 2026
Retailer 14$364 AUD
Retailer 6$404 AUD
Retailer 10$423 AUD
Retailer 18$448 AUD
Retailer 9$451 AUD
Retailer 8$605 AUD
Retailer 12$676 AUD
Retailer 3$771 AUD
Retailer 15$774 AUD
Retailer 19$810 AUD
Retailer 13$853 AUD
Retailer 20$942 AUD
Retailer 23$1,092 AUD
Retailer 4$1,237 AUD
Retailer 11$1,388 AUD
Retailer 21$1,442 AUD
Retailer 5$1,515 AUD
Retailer 7$1,573 AUD
Retailer 2$1,801 AUD
Retailer 17$1,808 AUD
Retailer 22$1,945 AUD
Retailer 16$2,121 AUD
Brilliant Earth$2,847 AUD

29 data points across 23 retailers

25 retailers$404 AUD to $2,847 AUD

Retailer 1
-
$364 AUD
$256 USD
Price last confirmed 9 days ago
A
Retailer 2
-
$404 AUD
$284 USD
View
Final sale: no returns
Retailer 3
-
$423 AUD
$297 USD
View
Price last confirmed 9 days ago
A
Retailer 4
-
$448 AUD
$315 USD
View
Retailer 5
-
$451 AUD
$317 USD
View
Price last confirmed 10 days ago
A
Retailer 6
-
$451 AUD
$317 USD
View
A
Retailer 7
-
$605 AUD
$425 USD
View
A
Retailer 8
-
$676 AUD
$475 USD
View
A
Retailer 9
-
$771 AUD
ZAR 8,746 ZAR
View
A
Retailer 10
-
$810 AUD
$569 USD
View
A
Retailer 11
-
$853 AUD
£472 GBP
View
B+
Retailer 12
-
$942 AUD
View
B+
Retailer 13
-
$1,092 AUD
View
B+
Retailer 14
-
$1,237 AUD
$869 USD
View
B+
Retailer 15
-
$1,388 AUD
$975 USD
View
B+
Retailer 16
-
$1,442 AUD
$1,013 USD
View
Retailer 17
-
$1,453 AUD
$1,021 USD
View
Price last confirmed 11 days ago
B+
Retailer 18
-
$1,515 AUD
$1,064 USD
View
B
Retailer 19
-
$1,573 AUD
$1,105 USD
View
B+
Retailer 20
-
$1,801 AUD
View
B+
Retailer 21
-
$1,808 AUD
£1,000 GBP
View
Retailer 22
-
$1,931 AUD
£1,068 GBP
View
Price last confirmed 23 days ago
B
Retailer 23
-
$1,945 AUD
$1,366 USD
View
Retailer 24
-
$2,121 AUD
$1,490 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
16979054A · Oct 29
$2,847 AUD
$2,000 USD
View
24 more retailers have this diamond
Prices start from $404 AUDSave up to $2,443 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
1.28ct Oval
$404 AUD