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Oval|Lab Grown|IGI

1.28ct E IF Oval Lab Grown Diamond

EX • E/IF • IGI LG735568337

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG735568337

Diamond specifications and retailer prices

From €228 EUR
$255 USD
As of October 31, 2026
Save €1,562 EUR (87%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,790 EUR at Brilliant Earth · As of October 31, 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 LG735568337 or 735568337. Listed at 18 retailers as of October 31, 2026, with prices from €228 to €1,790, a €1,562 spread on the same certified stone. Brilliant Earth lists it at €1,790. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735568337
Dimensions8.87 × 6.07 × 3.84 mm
L/W Ratio1.46
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
8.87 mm6.07 mm1.28 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735568337
Side View
Table 60.0%Crown 35.4°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 63.3%

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 31
Current: €1,790 EUR|Low: €228 EUR|High: €2,775 EUR|Avg: €748 EUR|-35.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
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Retailer 11
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Retailer 13
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Retailer 21
November 1, 2026
Retailer 17€228 EUR
Retailer 19€236 EUR
Retailer 15€252 EUR
Retailer 2€267 EUR
Retailer 4€356 EUR
Retailer 16€422 EUR
Retailer 6€434 EUR
Retailer 13€472 EUR
Retailer 3€538 EUR
Retailer 9€548 EUR
Retailer 14€559 EUR
Retailer 8€616 EUR
Retailer 20€656 EUR
Retailer 7€770 EUR
Retailer 18€813 EUR
Retailer 11€859 EUR
Retailer 10€982 EUR
Retailer 21€1,019 EUR
Retailer 5€1,147 EUR
Retailer 12€1,602 EUR
Brilliant Earth€1,790 EUR

7 data points across 21 retailers

18 retailers€228 EUR to €1,790 EUR

A
Cheapest Retailer
-
€228 EUR
$255 USD
Final sale: no returns
A
Retailer 2
-
€236 EUR
$264 USD
View
A
Retailer 3
-
€252 EUR
$282 USD
View
A
Retailer 4
-
€267 EUR
£235 GBP
View
A
Retailer 5
-
€356 EUR
$398 USD
View
A
Retailer 6
-
€422 EUR
View
A
Retailer 7
-
€434 EUR
ZAR 7,835 ZAR
View
A
Retailer 8
-
€472 EUR
£415 GBP
View
A
Retailer 9
-
€538 EUR
$601 USD
View
A
Retailer 10
-
€548 EUR
$613 USD
View
B+
Retailer 11
-
€616 EUR
A$1,059 AUD
View
B+
Retailer 12
-
€656 EUR
$733 USD
View
B+
Retailer 13
-
€770 EUR
$860 USD
View
B+
Retailer 14
-
€813 EUR
$908 USD
View
B+
Retailer 15
-
€859 EUR
$960 USD
View
B
Retailer 16
-
€1,019 EUR
£896 GBP
View
B
Retailer 17
-
€1,147 EUR
$1,282 USD
View
Most Expensive
B
Brilliant Earth
17527358A · Oct 31
€1,790 EUR
$2,000 USD
View
17 more retailers have this diamond
Prices start from €228 EURSave up to €1,562 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
€228 EUR