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Round|Lab Grown|IGI

1.26ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG617450327

Shape and cutting style on the report: Round brilliant

Certificate IGI LG617450327

Diamond specifications and retailer prices

From £179 GBP
$239 USD
As of October 29, 2026
Save £811 GBP (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £991 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 LG617450327 or 617450327. Listed at 18 retailers as of October 29, 2026, with prices from £179 to £991, a £811 spread on the same certified stone. Reve Diamonds lists it at £991. 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 angle33.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG617450327
Dimensions6.99 × 6.95 × 4.21 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
6.99 mm6.95 mm1.26 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG617450327
Side View
Table 58.0%Crown 33.7°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.4%

Caratlytics Score

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A+
Exceptional
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: £361 GBP|Low: £179 GBP|High: £904 GBP|Avg: £398 GBP|+0.2%
Retailer 1
Retailer 2
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Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 14
October 30, 2026
Retailer 8£179 GBP
Retailer 4£200 GBP
Retailer 13£209 GBP
Retailer 9£223 GBP
Retailer 14£223 GBP
Retailer 1£361 GBP
Retailer 5£375 GBP
Retailer 2£377 GBP
Retailer 6£404 GBP
Retailer 7£421 GBP
Retailer 11£548 GBP
Retailer 12£716 GBP
Retailer 3£719 GBP
Retailer 10£895 GBP

39 data points across 14 retailers

18 retailers£179 GBP to £991 GBP

A+
Cheapest Retailer
-
£179 GBP
$239 USD
A
Retailer 2
-
£200 GBP
$267 USD
View
Final sale: no returns
A
Retailer 3
-
£209 GBP
$278 USD
View
A
Retailer 4
-
£223 GBP
$297 USD
View
A
Retailer 5
-
£223 GBP
$297 USD
View
A
Retailer 6
-
£361 GBP
View
A
Retailer 7
-
£375 GBP
$499 USD
View
A
Retailer 8
-
£377 GBP
ZAR 8,109 ZAR
View
A
Retailer 9
-
£404 GBP
$538 USD
View
A
Retailer 10
-
£404 GBP
$538 USD
View
A
Retailer 11
-
£421 GBP
View
A
Retailer 12
-
£525 GBP
$699 USD
View
A
Retailer 13
-
£548 GBP
A$1,122 AUD
View
B+
Retailer 14
-
£716 GBP
$954 USD
View
B+
Retailer 15
-
£719 GBP
$957 USD
View
B+
Retailer 16
-
£756 GBP
$1,006 USD
View
B+
Retailer 17
-
£895 GBP
View
Most Expensive
B+
Reve Diamonds
7C29F2D2E · Oct 30
£991 GBP
$1,319 USD
View
17 more retailers have this diamond
Prices start from £179 GBPSave up to £811 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
£179 GBP