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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 €261 EUR
$290 USD
As of October 29, 2026
Save €1,536 EUR (86%) vs most expensive(unlock to see where)
13 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 LG735568337 or 735568337. Listed at 13 retailers as of October 29, 2026, with prices from €261 to €1,797, a €1,536 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735568337
Dimensions6.07 × 6.07 × 3.84 mm
L/W Ratio1.00
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
6.07 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 29
Current: €1,797 EUR|Low: €229 EUR|High: €2,785 EUR|Avg: €778 EUR|-35.5%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 30, 2026
Retailer 12€261 EUR
Retailer 2€269 EUR
Retailer 15€358 EUR
Retailer 5€415 EUR
Retailer 17€436 EUR
Retailer 11€473 EUR
Retailer 14€540 EUR
Retailer 4€550 EUR
Retailer 10€562 EUR
Retailer 3€618 EUR
Retailer 6€744 EUR
Retailer 18€773 EUR
Retailer 8€863 EUR
Retailer 7€986 EUR
Retailer 13€1,022 EUR
Retailer 16€1,152 EUR
Retailer 9€1,608 EUR
Brilliant Earth€1,797 EUR

5 data points across 18 retailers

13 retailers€261 EUR to €1,797 EUR

A
Cheapest Retailer
-
€261 EUR
$290 USD
Final sale: no returns
A
Retailer 2
-
€269 EUR
£236 GBP
View
A
Retailer 3
-
€358 EUR
$398 USD
View
A
Retailer 4
-
€436 EUR
ZAR 7,835 ZAR
View
A
Retailer 5
-
€473 EUR
£414 GBP
View
A
Retailer 6
-
€540 EUR
$601 USD
View
A
Retailer 7
-
€550 EUR
$613 USD
View
B+
Retailer 8
-
€618 EUR
A$1,059 AUD
View
B+
Retailer 9
-
€773 EUR
$860 USD
View
B+
Retailer 10
-
€863 EUR
$960 USD
View
B
Retailer 11
-
€1,022 EUR
£896 GBP
View
B
Retailer 12
-
€1,152 EUR
$1,282 USD
View
Most Expensive
B
Brilliant Earth
17527358A · Oct 29
€1,797 EUR
$2,000 USD
View
12 more retailers have this diamond
Prices start from €261 EURSave up to €1,536 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
€261 EUR