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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 $284 USD
As of October 30, 2026
Save $1,716 USD (86%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $2,000 USD 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 29, 2026, with prices from $284 to $2,000, a $1,716 spread on the same certified stone. Brilliant Earth lists it at $2,000. 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
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG760576740
Dimensions8.92 × 6.21 × 3.76 mm
L/W Ratio1.44
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.92 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,000 USD|Low: $231 USD|High: $2,050 USD|Avg: $812 USD|-2.4%
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 23
October 31, 2026
Retailer 14$256 USD
Retailer 8$284 USD
Retailer 12$297 USD
Retailer 21$315 USD
Retailer 11$317 USD
Retailer 10$425 USD
Retailer 13$425 USD
Retailer 5$541 USD
Retailer 15$544 USD
Retailer 22$569 USD
Retailer 2$601 USD
Retailer 17$662 USD
Retailer 4$767 USD
Retailer 6$869 USD
Retailer 18$968 USD
Retailer 23$1,013 USD
Retailer 7$1,064 USD
Retailer 9$1,105 USD
Retailer 19$1,266 USD
Retailer 20$1,270 USD
Retailer 3$1,366 USD
Retailer 16$1,490 USD
Brilliant Earth$2,000 USD

28 data points across 23 retailers

25 retailers$284 USD to $2,000 USD

Retailer 1
-
$256 USD
Price last confirmed 10 days ago
A
Retailer 2
-
$284 USD
View
Final sale: no returns
Retailer 3
-
$297 USD
View
Price last confirmed 10 days ago
A
Retailer 4
-
$315 USD
View
Retailer 5
-
$317 USD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$317 USD
View
A
Retailer 7
-
$425 USD
View
A
Retailer 8
-
$425 USD
View
A
Retailer 9
-
$541 USD
ZAR 8,746 ZAR
View
A
Retailer 10
-
$569 USD
View
A
Retailer 11
-
$601 USD
£473 GBP
View
A
Retailer 12
-
$662 USD
A$1,018 AUD
View
B+
Retailer 13
-
$767 USD
A$1,180 AUD
View
B+
Retailer 14
-
$869 USD
View
B+
Retailer 15
-
$968 USD
View
B+
Retailer 16
-
$1,013 USD
View
Retailer 17
-
$1,021 USD
View
Price last confirmed 12 days ago
B+
Retailer 18
-
$1,064 USD
View
B+
Retailer 19
-
$1,105 USD
View
B+
Retailer 20
-
$1,266 USD
A$1,947 AUD
View
B+
Retailer 21
-
$1,270 USD
£1,000 GBP
View
Retailer 22
-
$1,356 USD
£1,068 GBP
View
Price last confirmed 24 days ago
B
Retailer 23
-
$1,366 USD
View
Retailer 24
-
$1,490 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
16979054A · Oct 29
$2,000 USD
View
24 more retailers have this diamond
Prices start from $284 USDSave up to $1,716 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
1.28ct Oval
$284 USD