Oval|Lab Grown|IGI

1.28ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG815677214

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG815677214

Diamond specifications and retailer prices

From €232 EUR
$258 USD
As of October 28, 2026
Save €1,565 EUR (87%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €1,797 EUR 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 LG815677214 or 815677214. Listed at 20 retailers as of October 28, 2026, with prices from €232 to €1,797, a €1,565 spread on the same certified stone. Brilliant Earth lists it at €1,797. 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 angle37.9°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815677214
Dimensions8.67 × 5.99 × 3.76 mm
L/W Ratio1.45
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
8.67 mm5.99 mm1.28 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815677214
Side View
Table 62.0%Crown 37.9°Girdle: STK-THKPavilion 39.6°Culet: NoneDepth 62.8%

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 28
Current: €1,797 EUR|Low: €172 EUR|High: €1,923 EUR|Avg: €787 EUR|-6.5%
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
October 30, 2026
Retailer 5€232 EUR
Retailer 14€361 EUR
Retailer 12€427 EUR
Retailer 8€442 EUR
Retailer 2€484 EUR
Retailer 3€559 EUR
Retailer 9€627 EUR
Retailer 13€774 EUR
Retailer 10€829 EUR
Retailer 4€874 EUR
Retailer 7€1,036 EUR
Retailer 6€1,161 EUR
Retailer 11€1,325 EUR
Brilliant Earth€1,797 EUR

35 data points across 14 retailers

20 retailers€232 EUR to €1,797 EUR

Retailer 1
-
€208 EUR
$231 USD
Price last confirmed 19 days ago
Retailer 2
-
€216 EUR
$240 USD
View
Price last confirmed 36 days ago
A
Retailer 3
-
€232 EUR
$258 USD
View
Final sale: no returns
Retailer 4
-
€251 EUR
$279 USD
View
Price last confirmed 35 days ago
Retailer 5
-
€257 EUR
$286 USD
View
Price last confirmed 18 days ago
Retailer 6
-
€257 EUR
$286 USD
View
Price last confirmed 27 days ago
Retailer 7
-
€264 EUR
$294 USD
View
Price last confirmed 35 days ago
A
Retailer 8
-
€361 EUR
$402 USD
View
A
Retailer 9
-
€442 EUR
ZAR 7,945 ZAR
View
A
Retailer 10
-
€484 EUR
£424 GBP
View
A
Retailer 11
-
€559 EUR
$622 USD
View
B+
Retailer 12
-
€627 EUR
A$1,074 AUD
View
B+
Retailer 13
-
€774 EUR
$861 USD
View
Retailer 14
-
€827 EUR
$920 USD
View
Price last confirmed 22 days ago
B+
Retailer 15
-
€829 EUR
$923 USD
View
B+
Retailer 16
-
€874 EUR
$973 USD
View
B+
Retailer 17
-
€1,036 EUR
£908 GBP
View
B
Retailer 18
-
€1,161 EUR
$1,292 USD
View
Retailer 19
-
€1,325 EUR
$1,475 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
21017707A · Oct 29
€1,797 EUR
$2,000 USD
View
19 more retailers have this diamond
Prices start from €232 EURSave up to €1,565 EUR

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
€232 EUR