Oval|Lab Grown|IGI

1.28ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG815610284

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG815610284

Diamond specifications and retailer prices

From $212 USD
As of October 29, 2026
Save $1,019 USD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,231 USD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 LG815610284 or 815610284. Listed at 17 retailers as of October 29, 2026, with prices from $212 to $1,231, a $1,019 spread on the same certified stone. Reve Diamonds lists it at $1,231. 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 angle34.1°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815610284
Dimensions8.91 × 5.96 × 3.80 mm
L/W Ratio1.49
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
8.91 mm5.96 mm1.28 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815610284
Side View
Table 56.0%Crown 34.1°Girdle: STK-THKPavilion 40.1°Culet: NoneDepth 63.8%

Caratlytics Score

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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: $279 USD|Low: $203 USD|High: $1,231 USD|Avg: $497 USD|-1.0%
Retailer 1
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
Reve Diamonds
October 30, 2026
Retailer 13$212 USD
Retailer 4$237 USD
Retailer 3$246 USD
Retailer 12$263 USD
Retailer 14$263 USD
Retailer 1$279 USD
Retailer 5$365 USD
Retailer 9$451 USD
Retailer 7$486 USD
Retailer 6$508 USD
Retailer 10$642 USD
Retailer 2$844 USD
Retailer 11$847 USD
Retailer 8$1,058 USD
Reve Diamonds$1,231 USD

41 data points across 15 retailers

17 retailers$212 USD to $1,231 USD

A
Cheapest Retailer
-
$212 USD
A
Retailer 2
-
$237 USD
View
Final sale: no returns
A
Retailer 3
-
$246 USD
View
A
Retailer 4
-
$263 USD
View
A
Retailer 5
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$263 USD
View
A
Retailer 6
-
$279 USD
£219 GBP
View
B+
Retailer 7
-
$365 USD
View
A
Retailer 8
-
$451 USD
ZAR 7,290 ZAR
View
A
Retailer 9
-
$486 USD
£382 GBP
View
A
Retailer 10
-
$508 USD
View
A
Retailer 11
-
$642 USD
A$988 AUD
View
B+
Retailer 12
-
$844 USD
View
B+
Retailer 13
-
$847 USD
View
B+
Retailer 14
-
$854 USD
View
B+
Retailer 15
-
$897 USD
View
B+
Retailer 16
-
$1,058 USD
£833 GBP
View
Most Expensive
B
Reve Diamonds
9DBC7BBA2 · Oct 30
$1,231 USD
View
16 more retailers have this diamond
Prices start from $212 USDSave up to $1,019 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
$212 USD