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Round|Lab Grown|IGI

1.28ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG739546432

Shape and cutting style on the report: Round brilliant

Certificate IGI LG739546432

Diamond specifications and retailer prices

From €213 EUR
$237 USD
As of October 29, 2026
Save €1,279 EUR (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €1,491 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 LG739546432 or 739546432. Listed at 22 retailers as of October 29, 2026, with prices from €213 to €1,491, a €1,279 spread on the same certified stone. Brilliant Earth lists it at €1,491. 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 angle35.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739546432
Dimensions6.96 × 7.00 × 4.29 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
6.96 mm7.00 mm1.28 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739546432
Side View
Table 58.0%Crown 35.2°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.5%

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: €1,491 EUR|Low: €138 EUR|High: €1,545 EUR|Avg: €670 EUR|-3.5%
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
October 29, 2026
Retailer 9€213 EUR
Retailer 3€305 EUR
Retailer 7€370 EUR
Retailer 10€372 EUR
Retailer 2€394 EUR
Retailer 4€459 EUR
Retailer 11€529 EUR
Retailer 14€632 EUR
Retailer 13€700 EUR
Retailer 5€746 EUR
Retailer 8€1,020 EUR
Retailer 6€1,057 EUR
Retailer 12€1,074 EUR
Brilliant Earth€1,491 EUR

38 data points across 14 retailers

22 retailers€213 EUR to €1,491 EUR

A
Retailer 1
-
€175 EUR
$195 USD
Price last confirmed 37 days ago
A
Retailer 2
-
€175 EUR
$195 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
€203 EUR
$226 USD
View
Price last confirmed 37 days ago
A
Retailer 4
-
€213 EUR
$237 USD
View
Final sale: no returns
A
Retailer 5
-
€214 EUR
$238 USD
View
Price last confirmed 35 days ago
A
Retailer 6
-
€217 EUR
$241 USD
View
Price last confirmed 17 days ago
A
Retailer 7
-
€217 EUR
$241 USD
View
Price last confirmed 27 days ago
B+
Retailer 8
-
€305 EUR
$340 USD
View
A
Retailer 9
-
€370 EUR
View
A
Retailer 10
-
€372 EUR
ZAR 6,697 ZAR
View
A
Retailer 11
-
€394 EUR
£345 GBP
View
A
Retailer 12
-
€459 EUR
$511 USD
View
A
Retailer 13
-
€529 EUR
A$906 AUD
View
A
Retailer 14
-
€632 EUR
$703 USD
View
A
Retailer 15
-
€697 EUR
$776 USD
View
Price last confirmed 29 days ago
A
Retailer 16
-
€697 EUR
$776 USD
View
Price last confirmed 32 days ago
A
Retailer 17
-
€700 EUR
$779 USD
View
B+
Retailer 18
-
€746 EUR
$830 USD
View
B+
Retailer 19
-
€1,020 EUR
£894 GBP
View
B+
Retailer 20
-
€1,057 EUR
$1,177 USD
View
B+
Retailer 21
-
€1,074 EUR
$1,195 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
16216592A · Oct 29
€1,491 EUR
$1,660 USD
View
21 more retailers have this diamond
Prices start from €213 EURSave up to €1,279 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
€213 EUR