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Round|Lab Grown|IGI

0.71ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG706548773

Shape and cutting style on the report: Round brilliant

Certificate IGI LG706548773

Diamond specifications and retailer prices

From £104 GBP
$139 USD
As of October 29, 2026
Save £645 GBP (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £749 GBP at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

About this 0.71ct lab-grown round diamond

This 0.71ct lab-grown round sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG706548773 or 706548773. Listed at 19 retailers as of October 28, 2026, with prices from £104 to £749, a £645 spread on the same certified stone. Reve Diamonds lists it at £749. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.71
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG706548773
Dimensions5.73 × 5.78 × 3.50 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
5.73 mm5.78 mm0.71 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG706548773
Side View
Table 60.0%Crown 35.6°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.8%

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: £219 GBP|Low: £81 GBP|High: £1,081 GBP|Avg: £305 GBP|+7.1%
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Retailer 17
Reve Diamonds
October 29, 2026
Retailer 12£104 GBP
Retailer 3£116 GBP
Retailer 13£121 GBP
Retailer 9£126 GBP
Retailer 17£129 GBP
Retailer 14£135 GBP
Retailer 8£179 GBP
Retailer 1£219 GBP
Retailer 16£242 GBP
Retailer 11£255 GBP
Retailer 6£263 GBP
Retailer 15£304 GBP
Retailer 2£341 GBP
Retailer 5£380 GBP
Retailer 7£412 GBP
Retailer 4£457 GBP
Retailer 10£607 GBP
Reve Diamonds£749 GBP

45 data points across 18 retailers

19 retailers£104 GBP to £749 GBP

A
Cheapest Retailer
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£104 GBP
$139 USD
A
Retailer 2
-
£116 GBP
$154 USD
View
Final sale: no returns
A
Retailer 3
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£121 GBP
$161 USD
View
A
Retailer 4
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£126 GBP
$168 USD
View
Price last confirmed 40 days ago
A
Retailer 5
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£129 GBP
$172 USD
View
A
Retailer 6
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£135 GBP
$180 USD
View
Price last confirmed 11 days ago
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Retailer 7
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£179 GBP
$238 USD
View
A
Retailer 8
-
£219 GBP
View
A
Retailer 9
-
£242 GBP
$322 USD
View
B+
Retailer 10
-
£255 GBP
€324 EUR
View
B+
Retailer 11
-
£263 GBP
$350 USD
View
B+
Retailer 12
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£304 GBP
$405 USD
View
B+
Retailer 13
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£341 GBP
$454 USD
View
B+
Retailer 14
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£380 GBP
A$778 AUD
View
B+
Retailer 15
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£393 GBP
$524 USD
View
Price last confirmed 37 days ago
B+
Retailer 16
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£412 GBP
$548 USD
View
Price last confirmed 38 days ago
B
Retailer 17
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£457 GBP
$608 USD
View
B
Retailer 18
-
£607 GBP
View
Most Expensive
B
Reve Diamonds
B8E43C640 · Oct 28
£749 GBP
$997 USD
View
18 more retailers have this diamond
Prices start from £104 GBPSave up to £645 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
0.71ct Round
£104 GBP