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Round|Lab Grown|IGI

1.28ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG825665171

Shape and cutting style on the report: Round brilliant

Certificate IGI LG825665171

Diamond specifications and retailer prices

From €243 EUR
$270 USD
As of October 29, 2026
Save €1,402 EUR (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €1,644 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825665171 or 825665171. Listed at 19 retailers as of October 29, 2026, with prices from €243 to €1,644, a €1,402 spread on the same certified stone. Brilliant Earth lists it at €1,644. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825665171
Dimensions6.94 × 6.92 × 4.32 mm
L/W Ratio1.00
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
6.94 mm6.92 mm1.28 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825665171
Side View
Table 56.0%Crown 35.6°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A+
Exceptional
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: €1,644 EUR|Low: €272 EUR|High: €1,644 EUR|Avg: €762 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
Retailer 13
Retailer 14
Retailer 15
October 29, 2026
Retailer 6€272 EUR
Retailer 3€281 EUR
Retailer 11€445 EUR
Retailer 9€495 EUR
Retailer 4€499 EUR
Retailer 10€517 EUR
Retailer 2€526 EUR
Retailer 5€655 EUR
Retailer 15€925 EUR
Retailer 14€967 EUR
Retailer 7€1,013 EUR
Retailer 13€1,061 EUR
Retailer 8€1,213 EUR
Retailer 12€1,433 EUR
Brilliant Earth€1,644 EUR

39 data points across 15 retailers

19 retailers€243 EUR to €1,644 EUR

A+
Cheapest Retailer
-
€243 EUR
$270 USD
A
Retailer 2
-
€272 EUR
$303 USD
View
Final sale: no returns
A
Retailer 3
-
€281 EUR
$313 USD
View
A
Retailer 4
-
€301 EUR
$335 USD
View
A
Retailer 5
-
€301 EUR
$335 USD
View
A
Retailer 6
-
€445 EUR
$495 USD
View
A
Retailer 7
-
€495 EUR
View
A
Retailer 8
-
€499 EUR
$555 USD
View
A
Retailer 9
-
€517 EUR
ZAR 9,301 ZAR
View
A
Retailer 10
-
€526 EUR
£461 GBP
View
A
Retailer 11
-
€655 EUR
$729 USD
View
B+
Retailer 12
-
€925 EUR
$1,029 USD
View
B+
Retailer 13
-
€967 EUR
SGD 1,454 SGD
View
B+
Retailer 14
-
€968 EUR
$1,077 USD
View
B+
Retailer 15
-
€1,013 EUR
$1,128 USD
View
B+
Retailer 16
-
€1,061 EUR
$1,181 USD
View
B+
Retailer 17
-
€1,213 EUR
£1,063 GBP
View
B+
Retailer 18
-
€1,433 EUR
$1,595 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
21433907A · Oct 29
€1,644 EUR
$1,830 USD
View
18 more retailers have this diamond
Prices start from €243 EURSave up to €1,402 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
€243 EUR