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Round|Lab Grown|IGI

1.28ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG786633884

Shape and cutting style on the report: Round brilliant

Certificate IGI LG786633884

Diamond specifications and retailer prices

From €234 EUR
$260 USD
As of October 29, 2026
Save €1,995 EUR (90%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €2,228 EUR at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.28ct lab-grown round diamond

This 1.28ct lab-grown round 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 LG786633884 or 786633884. Listed at 24 retailers as of October 29, 2026, with prices from €234 to €2,228, a €1,995 spread on the same certified stone. Brilliant Earth lists it at €2,228. 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 angle35.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786633884
Dimensions6.91 × 6.95 × 4.31 mm
L/W Ratio1.01
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
6.91 mm6.95 mm1.28 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786633884
Side View
Table 58.0%Crown 35.3°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.3%

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: €2,228 EUR|Low: €261 EUR|High: €2,228 EUR|Avg: €693 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 5€261 EUR
Retailer 3€391 EUR
Retailer 12€431 EUR
Retailer 9€497 EUR
Retailer 4€518 EUR
Retailer 7€521 EUR
Retailer 2€552 EUR
Retailer 8€705 EUR
Retailer 11€736 EUR
Retailer 10€1,105 EUR
Retailer 6€1,166 EUR
Brilliant Earth€2,228 EUR

40 data points across 12 retailers

24 retailers€234 EUR to €2,228 EUR

A
Cheapest Retailer
-
€234 EUR
$260 USD
A
Retailer 2
-
€261 EUR
$290 USD
View
Final sale: no returns
A
Retailer 3
-
€270 EUR
$301 USD
View
A
Retailer 4
-
€289 EUR
$322 USD
View
A
Retailer 5
-
€289 EUR
$322 USD
View
A
Retailer 6
-
€322 EUR
HK$2,800 HKD
View
A
Retailer 7
-
€391 EUR
$435 USD
View
A
Retailer 8
-
€431 EUR
$480 USD
View
A
Retailer 9
-
€497 EUR
ZAR 8,945 ZAR
View
A
Retailer 10
-
€518 EUR
$576 USD
View
A
Retailer 11
-
€521 EUR
View
A
Retailer 12
-
€552 EUR
£484 GBP
View
A
Retailer 13
-
€652 EUR
$726 USD
View
A
Retailer 14
-
€705 EUR
A$1,207 AUD
View
B+
Retailer 15
-
€736 EUR
$819 USD
View
B+
Retailer 16
-
€931 EUR
$1,036 USD
View
B+
Retailer 17
-
€935 EUR
SGD 1,406 SGD
View
B+
Retailer 18
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€977 EUR
$1,087 USD
View
B+
Retailer 19
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€1,019 EUR
$1,134 USD
View
B+
Retailer 20
-
€1,105 EUR
$1,230 USD
View
Price last confirmed 11 days ago
B+
Retailer 21
-
€1,166 EUR
£1,022 GBP
View
B+
Retailer 22
-
€1,244 EUR
$1,385 USD
View
B
Retailer 23
-
€2,054 EUR
£1,800 GBP
View
Most Expensive
B
Brilliant Earth
18980939A · Oct 29
€2,228 EUR
$2,480 USD
View
23 more retailers have this diamond
Prices start from €234 EURSave up to €1,995 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 Round
€234 EUR