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Round|Lab Grown|IGI

1.26ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG799634092

Shape and cutting style on the report: Round brilliant

Certificate IGI LG799634092

Diamond specifications and retailer prices

From £165 GBP
$220 USD
As of October 29, 2026
Save £1,329 GBP (89%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £1,494 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.26ct lab-grown round diamond

This 1.26ct 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 LG799634092 or 799634092. Listed at 25 retailers as of October 29, 2026, with prices from £165 to £1,494, a £1,329 spread on the same certified stone. Brilliant Earth lists it at £1,494. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.26
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799634092
Dimensions6.92 × 6.86 × 4.31 mm
L/W Ratio1.01
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
6.92 mm6.86 mm1.26 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799634092
Side View
Table 57.0%Crown 34.9°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.4%

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: Oct 29
Current: £1,494 GBP|Low: £164 GBP|High: £1,494 GBP|Avg: £511 GBP|+12.4%
Brilliant Earth
Retailer 2
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Retailer 21
October 30, 2026
Retailer 11£165 GBP
Retailer 16£184 GBP
Retailer 19£191 GBP
Retailer 5£204 GBP
Retailer 6£204 GBP
Retailer 7£350 GBP
Retailer 17£351 GBP
Retailer 15£352 GBP
Retailer 2£379 GBP
Retailer 4£387 GBP
Retailer 20£419 GBP
Retailer 18£500 GBP
Retailer 21£520 GBP
Retailer 9£558 GBP
Retailer 12£658 GBP
Retailer 10£697 GBP
Retailer 14£719 GBP
Retailer 13£824 GBP
Retailer 3£912 GBP
Retailer 8£943 GBP
Brilliant Earth£1,494 GBP

38 data points across 21 retailers

25 retailers£165 GBP to £1,494 GBP

Retailer 1
-
£164 GBP
$218 USD
Price last confirmed 38 days ago
A
Retailer 2
-
£165 GBP
$220 USD
View
A
Retailer 3
-
£184 GBP
$245 USD
View
Final sale: no returns
A
Retailer 4
-
£191 GBP
$255 USD
View
Retailer 5
-
£200 GBP
$267 USD
View
Price last confirmed 38 days ago
A
Retailer 6
-
£204 GBP
$272 USD
View
A
Retailer 7
-
£204 GBP
$272 USD
View
A
Retailer 8
-
£350 GBP
$466 USD
View
A
Retailer 9
-
£351 GBP
ZAR 7,560 ZAR
View
A
Retailer 10
-
£352 GBP
€447 EUR
View
A
Retailer 11
-
£379 GBP
View
A
Retailer 12
-
£387 GBP
$516 USD
View
A
Retailer 13
-
£419 GBP
A$858 AUD
View
A
Retailer 14
-
£500 GBP
A$1,024 AUD
View
A
Retailer 15
-
£520 GBP
$693 USD
View
A
Retailer 16
-
£558 GBP
$743 USD
View
Retailer 17
-
£652 GBP
$868 USD
View
Price last confirmed 39 days ago
B+
Retailer 18
-
£658 GBP
$876 USD
View
B+
Retailer 19
-
£697 GBP
$928 USD
View
B+
Retailer 20
-
£719 GBP
A$1,474 AUD
View
B+
Retailer 21
-
£738 GBP
$983 USD
View
B+
Retailer 22
-
£824 GBP
View
Retailer 23
-
£912 GBP
$1,215 USD
View
Price last confirmed 12 days ago
B+
Retailer 24
-
£943 GBP
$1,256 USD
View
Most Expensive
B
Brilliant Earth
20227416A · Oct 29
£1,494 GBP
$1,990 USD
View
24 more retailers have this diamond
Prices start from £165 GBPSave up to £1,329 GBP

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
1.26ct Round
£165 GBP