Oval|Lab Grown|IGI

1.28ct F IF Oval Lab Grown Diamond

EX • F/IF • IGI LG812620275

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG812620275

Diamond specifications and retailer prices

From €229 EUR
$256 USD
As of November 1, 2026
Save €1,427 EUR (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €1,656 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.28ct lab-grown oval diamond

This 1.28ct lab-grown oval 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 LG812620275 or 812620275. Listed at 22 retailers as of October 31, 2026, with prices from €229 to €1,656, a €1,427 spread on the same certified stone. Brilliant Earth lists it at €1,656. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812620275
Dimensions8.89 × 6.12 × 3.77 mm
L/W Ratio1.45
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
8.89 mm6.12 mm1.28 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812620275
Side View
Table 62.0%Crown 35.6°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: €1,656 EUR|Low: €229 EUR|High: €1,701 EUR|Avg: €714 EUR|-2.6%
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
November 1, 2026
Retailer 4€229 EUR
Retailer 6€255 EUR
Retailer 16€360 EUR
Retailer 10€425 EUR
Retailer 2€440 EUR
Retailer 9€477 EUR
Retailer 3€540 EUR
Retailer 5€554 EUR
Retailer 12€622 EUR
Retailer 11€662 EUR
Retailer 15€792 EUR
Retailer 7€866 EUR
Retailer 13€1,023 EUR
Retailer 8€1,153 EUR
Retailer 14€1,173 EUR
Brilliant Earth€1,656 EUR

34 data points across 16 retailers

22 retailers€229 EUR to €1,656 EUR

Retailer 1
-
€206 EUR
$230 USD
Price last confirmed 39 days ago
Retailer 2
-
€206 EUR
$230 USD
View
Price last confirmed 22 days ago
A
Retailer 3
-
€229 EUR
$256 USD
View
Final sale: no returns
Retailer 4
-
€238 EUR
$266 USD
View
Price last confirmed 38 days ago
Retailer 5
-
€252 EUR
$281 USD
View
Price last confirmed 38 days ago
Retailer 6
-
€255 EUR
$285 USD
View
Price last confirmed 21 days ago
Retailer 7
-
€255 EUR
$285 USD
View
Price last confirmed 30 days ago
A
Retailer 8
-
€360 EUR
$402 USD
View
A
Retailer 9
-
€425 EUR
View
A
Retailer 10
-
€440 EUR
ZAR 7,943 ZAR
View
A
Retailer 11
-
€477 EUR
£419 GBP
View
A
Retailer 12
-
€540 EUR
$603 USD
View
A
Retailer 13
-
€554 EUR
$619 USD
View
A
Retailer 14
-
€622 EUR
A$1,069 AUD
View
A
Retailer 15
-
€662 EUR
$740 USD
View
B+
Retailer 16
-
€792 EUR
$885 USD
View
Retailer 17
-
€819 EUR
$915 USD
View
Price last confirmed 25 days ago
B+
Retailer 18
-
€866 EUR
$968 USD
View
B+
Retailer 19
-
€1,023 EUR
£900 GBP
View
B+
Retailer 20
-
€1,153 EUR
$1,288 USD
View
Retailer 21
-
€1,173 EUR
$1,310 USD
View
Price last confirmed 14 days ago
Most Expensive
B
Brilliant Earth
20677511A · Oct 31
€1,656 EUR
$1,850 USD
View
21 more retailers have this diamond
Prices start from €229 EURSave up to €1,427 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 Oval
€229 EUR