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Round|Lab Grown|IGI

1.28ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG588375105

Shape and cutting style on the report: Round brilliant

Certificate IGI LG588375105

Diamond specifications and retailer prices

From €217 EUR
$242 USD
As of October 29, 2026
Save €977 EUR (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,194 EUR at Reve Diamonds · As of October 25, 2026
View at Reve Diamonds

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 LG588375105 or 588375105. Listed at 18 retailers as of October 25, 2026, with prices from €217 to €1,194, a €977 spread on the same certified stone. Reve Diamonds lists it at €1,194. 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 angle34°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG588375105
Dimensions7.03 × 6.99 × 4.25 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
7.03 mm6.99 mm1.28 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG588375105
Side View
Table 59.0%Crown 34°Girdle: MediumPavilion 41°Culet: NoneDepth 60.6%

Caratlytics Score

How it works →
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: €437 EUR|Low: €217 EUR|High: €1,095 EUR|Avg: €482 EUR|+0.2%
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
October 30, 2026
Retailer 8€217 EUR
Retailer 6€243 EUR
Retailer 13€252 EUR
Retailer 10€270 EUR
Retailer 14€270 EUR
Retailer 1€437 EUR
Retailer 4€455 EUR
Retailer 2€457 EUR
Retailer 5€487 EUR
Retailer 7€511 EUR
Retailer 11€663 EUR
Retailer 12€868 EUR
Retailer 3€872 EUR
Retailer 9€1,089 EUR

39 data points across 14 retailers

18 retailers€217 EUR to €1,194 EUR

A
Cheapest Retailer
-
€217 EUR
$242 USD
A
Retailer 2
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€243 EUR
$270 USD
View
Final sale: no returns
A
Retailer 3
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€252 EUR
$281 USD
View
A
Retailer 4
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€270 EUR
$301 USD
View
A
Retailer 5
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€270 EUR
$301 USD
View
A
Retailer 6
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€437 EUR
£383 GBP
View
A
Retailer 7
-
€455 EUR
$506 USD
View
A
Retailer 8
-
€457 EUR
ZAR 8,211 ZAR
View
A
Retailer 9
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€487 EUR
$542 USD
View
A
Retailer 10
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€487 EUR
$542 USD
View
A
Retailer 11
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€511 EUR
£448 GBP
View
A
Retailer 12
-
€647 EUR
$720 USD
View
A
Retailer 13
-
€663 EUR
A$1,136 AUD
View
B+
Retailer 14
-
€868 EUR
$966 USD
View
B+
Retailer 15
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€872 EUR
$970 USD
View
B+
Retailer 16
-
€915 EUR
$1,018 USD
View
B+
Retailer 17
-
€1,089 EUR
£954 GBP
View
Most Expensive
B+
Reve Diamonds
E25E1660C · Oct 25
€1,194 EUR
$1,329 USD
View
17 more retailers have this diamond
Prices start from €217 EURSave up to €977 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
€217 EUR