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Radiant|Lab Grown|IGI

0.71ct E SI1 Radiant Lab Grown Diamond

EX • E/SI1 • IGI LG617476786

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG617476786

Diamond specifications and retailer prices

From £113 GBP
$150 USD
As of October 27, 2026
Save £969 GBP (90%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,081 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 0.71ct lab-grown radiant diamond

This 0.71ct lab-grown radiant 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 LG617476786 or 617476786. Listed at 9 retailers as of October 27, 2026, with prices from £113 to £1,081, a £969 spread on the same certified stone. Do Amore Diamonds lists it at £1,081. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.3°
Pavilion angle33.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG617476786
Dimensions6.40 × 4.32 × 2.92 mm
L/W Ratio1.48
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.40 mm4.32 mm0.71 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG617476786
Side View
Table 64.0%Crown 47.3°Girdle: MediumPavilion 33.9°Culet: NoneDepth 67.6%

Caratlytics Score

How it works →
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 27
Current: £1,081 GBP|Low: £90 GBP|High: £1,081 GBP|Avg: £423 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 6£113 GBP
Retailer 9£126 GBP
Retailer 10£199 GBP
Retailer 11£236 GBP
Retailer 7£257 GBP
Retailer 12£313 GBP
Retailer 3£382 GBP
Retailer 5£473 GBP
Retailer 4£496 GBP
Retailer 8£586 GBP
Retailer 2£723 GBP
Do Amore Diamonds£1,081 GBP

13 data points across 12 retailers

9 retailers£113 GBP to £1,081 GBP

A
Cheapest Retailer
-
£113 GBP
$150 USD
A
Retailer 2
-
£126 GBP
$168 USD
View
Final sale: no returns
A
Retailer 3
-
£131 GBP
$174 USD
View
A
Retailer 4
-
£257 GBP
$342 USD
View
B
Retailer 5
-
£473 GBP
$630 USD
View
B
Retailer 6
-
£495 GBP
$659 USD
View
B
Retailer 7
-
£586 GBP
$780 USD
View
B
Retailer 8
-
£723 GBP
View
Most Expensive
B
Do Amore Diamonds
27-08A6B5DE7 · Oct 29
£1,081 GBP
$1,440 USD
View
8 more retailers have this diamond
Prices start from £113 GBPSave up to £969 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 Radiant
£113 GBP