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Round|Lab Grown|IGI

1.28ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG567368239

Shape and cutting style on the report: Round brilliant

Certificate IGI LG567368239

Diamond specifications and retailer prices

From €181 EUR
$202 USD
As of October 29, 2026
Save €871 EUR (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €1,088 EUR at Rare Carat · As of October 18, 2026
View at Rare Carat

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 LG567368239 or 567368239. Listed at 17 retailers as of October 29, 2026, with a 482% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG567368239
Dimensions6.98 × 6.92 × 4.30 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
6.98 mm6.92 mm1.28 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG567368239
Side View
Table 55.5%Crown 35.4°Girdle: Med.Pavilion 40.4°Culet: NoneDepth 61.9%

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: €1,088 EUR|Low: €181 EUR|High: €1,101 EUR|Avg: €499 EUR|-1.2%
Rare Carat
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
October 31, 2026
Retailer 3€181 EUR
Retailer 15€201 EUR
Retailer 14€209 EUR
Retailer 8€224 EUR
Retailer 9€224 EUR
Retailer 10€362 EUR
Retailer 12€384 EUR
Retailer 5€388 EUR
Retailer 2€409 EUR
Retailer 7€512 EUR
Retailer 13€547 EUR
Retailer 17€631 EUR
Retailer 6€719 EUR
Retailer 16€721 EUR
Retailer 4€767 EUR
Retailer 11€1,052 EUR
Rare Carat€1,088 EUR

37 data points across 17 retailers

17 retailers€181 EUR to €1,052 EUR

A
Cheapest Retailer
-
€181 EUR
$202 USD
A
Retailer 2
-
€201 EUR
$225 USD
View
Final sale: no returns
A
Retailer 3
-
€209 EUR
$234 USD
View
A
Retailer 4
-
€224 EUR
$250 USD
View
A
Retailer 5
-
€224 EUR
$250 USD
View
A
Retailer 6
-
€362 EUR
£319 GBP
View
A
Retailer 7
-
€384 EUR
ZAR 6,931 ZAR
View
A
Retailer 8
-
€388 EUR
$433 USD
View
A
Retailer 9
-
€409 EUR
£360 GBP
View
A
Retailer 10
-
€512 EUR
$572 USD
View
A
Retailer 11
-
€547 EUR
A$940 AUD
View
A
Retailer 12
-
€631 EUR
$705 USD
View
A
Retailer 13
-
€719 EUR
$803 USD
View
A
Retailer 14
-
€721 EUR
$806 USD
View
B+
Retailer 15
-
€767 EUR
$857 USD
View
B
Retailer 16
-
€1,052 EUR
£925 GBP
View
Most Expensive
Rare Carat
AL/704-11_l_567368239 · Oct 18
€1,088 EUR
$1,215 USD
View
Price last confirmed 14 days ago
16 more retailers have this diamond
Prices start from €181 EURSave up to €871 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
€181 EUR