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Round|Lab Grown|IGI

1.26ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG640404707

Shape and cutting style on the report: Round brilliant

Certificate IGI LG640404707

Diamond specifications and retailer prices

From £161 GBP
$214 USD
As of October 29, 2026
Save £1,556 GBP (91%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £1,717 GBP at Queensmith · As of October 27, 2026
View at Queensmith

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 LG640404707 or 640404707. Listed at 23 retailers as of October 27, 2026, with prices from £161 to £1,717, a £1,556 spread on the same certified stone. Queensmith lists it at £1,717. 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°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG640404707
Dimensions6.98 × 6.94 × 4.24 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
6.98 mm6.94 mm1.26 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG640404707
Side View
Table 60.0%Crown 34°Girdle: MediumPavilion 41.2°Culet: NoneDepth 60.9%

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: £369 GBP|Low: £155 GBP|High: £1,832 GBP|Avg: £500 GBP|-13.5%
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Retailer 22
October 30, 2026
Retailer 22£161 GBP
Retailer 12£179 GBP
Retailer 14£187 GBP
Retailer 4£200 GBP
Retailer 5£200 GBP
Retailer 2£221 GBP
Retailer 8£269 GBP
Retailer 16£332 GBP
Retailer 17£343 GBP
Retailer 1£369 GBP
Retailer 7£383 GBP
Retailer 18£488 GBP
Retailer 21£518 GBP
Retailer 6£519 GBP
Retailer 10£642 GBP
Retailer 15£646 GBP
Retailer 3£682 GBP
Retailer 11£684 GBP
Retailer 19£801 GBP
Retailer 20£905 GBP
Retailer 9£931 GBP
Retailer 13£1,232 GBP

42 data points across 22 retailers

23 retailers£161 GBP to £1,717 GBP

A
Cheapest Retailer
-
£161 GBP
$214 USD
A
Retailer 2
-
£179 GBP
$239 USD
View
Final sale: no returns
A
Retailer 3
-
£187 GBP
$249 USD
View
A
Retailer 4
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£200 GBP
$266 USD
View
A
Retailer 5
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£200 GBP
$266 USD
View
A
Retailer 6
-
£221 GBP
HK$2,300 HKD
View
B+
Retailer 7
-
£269 GBP
$358 USD
View
A
Retailer 8
-
£332 GBP
€421 EUR
View
A
Retailer 9
-
£343 GBP
ZAR 7,379 ZAR
View
A
Retailer 10
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£369 GBP
View
A
Retailer 11
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£383 GBP
$510 USD
View
A
Retailer 12
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£488 GBP
A$1,000 AUD
View
A
Retailer 13
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£518 GBP
$690 USD
View
A
Retailer 14
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£519 GBP
$691 USD
View
A
Retailer 15
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£642 GBP
$855 USD
View
B+
Retailer 16
-
£646 GBP
SGD 1,163 SGD
View
B+
Retailer 17
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£682 GBP
$908 USD
View
B+
Retailer 18
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£684 GBP
$911 USD
View
B+
Retailer 19
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£801 GBP
View
Retailer 20
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£905 GBP
$1,205 USD
View
Price last confirmed 12 days ago
B+
Retailer 21
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£931 GBP
$1,240 USD
View
B+
Retailer 22
-
£1,232 GBP
$1,640 USD
View
Most Expensive
B
Queensmith
LG640404707 · Oct 27
£1,717 GBP
View
22 more retailers have this diamond
Prices start from £161 GBPSave up to £1,556 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
£161 GBP