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Round|Lab Grown|IGI

1.28ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG582372249

Shape and cutting style on the report: Round brilliant

Certificate IGI LG582372249

Diamond specifications and retailer prices

From €231 EUR
$258 USD
As of November 1, 2026
Save €1,228 EUR (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €1,459 EUR at Brilliant Earth · As of October 31, 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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG582372249 or 582372249. Listed at 22 retailers as of October 31, 2026, with prices from €231 to €1,459, a €1,228 spread on the same certified stone. Brilliant Earth lists it at €1,459. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG582372249
Dimensions6.97 × 6.94 × 4.27 mm
L/W Ratio1.00
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
6.97 mm6.94 mm1.28 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG582372249
Side View
Table 59.0%Crown 34°Girdle: MediumPavilion 41.1°Culet: NoneDepth 61.4%

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: Nov 1
Current: €1,459 EUR|Low: €226 EUR|High: €1,710 EUR|Avg: €613 EUR|-14.7%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 1, 2026
Retailer 18€231 EUR
Retailer 3€259 EUR
Retailer 11€268 EUR
Retailer 9€286 EUR
Retailer 4€385 EUR
Retailer 6€430 EUR
Retailer 13€462 EUR
Retailer 2€495 EUR
Retailer 19€514 EUR
Retailer 15€524 EUR
Retailer 14€546 EUR
Retailer 7€635 EUR
Retailer 5€697 EUR
Retailer 16€728 EUR
Retailer 8€921 EUR
Retailer 10€967 EUR
Retailer 17€1,006 EUR
Retailer 12€1,148 EUR
Brilliant Earth€1,459 EUR

33 data points across 19 retailers

22 retailers€231 EUR to €1,459 EUR

A
Cheapest Retailer
-
€231 EUR
$258 USD
A
Retailer 2
-
€259 EUR
$289 USD
View
Final sale: no returns
A
Retailer 3
-
€268 EUR
$299 USD
View
A
Retailer 4
-
€286 EUR
$320 USD
View
Retailer 5
-
€293 EUR
$327 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
€385 EUR
$430 USD
View
A
Retailer 7
-
€430 EUR
$480 USD
View
A
Retailer 8
-
€462 EUR
£407 GBP
View
A
Retailer 9
-
€495 EUR
ZAR 8,925 ZAR
View
A
Retailer 10
-
€514 EUR
$574 USD
View
A
Retailer 11
-
€524 EUR
View
A
Retailer 12
-
€546 EUR
£480 GBP
View
B+
Retailer 13
-
€635 EUR
$709 USD
View
B+
Retailer 14
-
€697 EUR
A$1,198 AUD
View
B+
Retailer 15
-
€728 EUR
$813 USD
View
Retailer 16
-
€870 EUR
A$1,496 AUD
View
Price last confirmed 146 days ago
B
Retailer 17
-
€921 EUR
$1,029 USD
View
B
Retailer 18
-
€967 EUR
$1,080 USD
View
B
Retailer 19
-
€1,006 EUR
$1,124 USD
View
Retailer 20
-
€1,108 EUR
$1,238 USD
View
Price last confirmed 77 days ago
B
Retailer 21
-
€1,148 EUR
£1,010 GBP
View
Most Expensive
B
Brilliant Earth
14223868A · Oct 31
€1,459 EUR
$1,630 USD
View
21 more retailers have this diamond
Prices start from €231 EURSave up to €1,228 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
€231 EUR