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Round|Lab Grown|IGI

1.28ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG819605837

Shape and cutting style on the report: Round brilliant

Certificate IGI LG819605837

Diamond specifications and retailer prices

From €173 EUR
$192 USD
As of October 29, 2026
Save €878 EUR (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €1,051 EUR at Reve Diamonds · As of October 28, 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 LG819605837 or 819605837. Listed at 17 retailers as of October 28, 2026, with prices from €173 to €1,051, a €878 spread on the same certified stone. Reve Diamonds lists it at €1,051. 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 angle33.2°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819605837
Dimensions6.97 × 7.02 × 4.31 mm
L/W Ratio1.01
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
6.97 mm7.02 mm1.28 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819605837
Side View
Table 57.0%Crown 33.2°Girdle: MediumPavilion 41.4°Culet: NoneDepth 61.5%

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: €390 EUR|Low: €173 EUR|High: €1,084 EUR|Avg: €526 EUR|+4.8%
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
Retailer 15
Retailer 16
Reve Diamonds
October 29, 2026
Retailer 14€173 EUR
Retailer 2€192 EUR
Retailer 12€200 EUR
Retailer 3€215 EUR
Retailer 4€215 EUR
Retailer 5€298 EUR
Retailer 9€348 EUR
Retailer 10€368 EUR
Retailer 1€390 EUR
Retailer 6€438 EUR
Retailer 11€523 EUR
Retailer 7€631 EUR
Retailer 15€689 EUR
Retailer 13€692 EUR
Retailer 8€738 EUR
Retailer 16€1,008 EUR
Reve Diamonds€1,051 EUR

42 data points across 17 retailers

17 retailers€173 EUR to €1,051 EUR

A
Cheapest Retailer
-
€173 EUR
$192 USD
A
Retailer 2
-
€192 EUR
$214 USD
View
Final sale: no returns
A
Retailer 3
-
€200 EUR
$223 USD
View
A
Retailer 4
-
€215 EUR
$239 USD
View
A
Retailer 5
-
€215 EUR
$239 USD
View
B+
Retailer 6
-
€298 EUR
$332 USD
View
A
Retailer 7
-
€348 EUR
£305 GBP
View
A
Retailer 8
-
€368 EUR
ZAR 6,621 ZAR
View
A
Retailer 9
-
€390 EUR
£342 GBP
View
A
Retailer 10
-
€438 EUR
$487 USD
View
A
Retailer 11
-
€523 EUR
A$896 AUD
View
A
Retailer 12
-
€631 EUR
$702 USD
View
A
Retailer 13
-
€689 EUR
$767 USD
View
A
Retailer 14
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€692 EUR
$770 USD
View
B+
Retailer 15
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€738 EUR
$821 USD
View
B+
Retailer 16
-
€1,008 EUR
£883 GBP
View
Most Expensive
B+
Reve Diamonds
96EC1F431 · Oct 28
€1,051 EUR
$1,170 USD
View
16 more retailers have this diamond
Prices start from €173 EURSave up to €878 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
€173 EUR