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Round|Lab Grown|IGI

0.71ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG707551916

Shape and cutting style on the report: Round brilliant

Certificate IGI LG707551916

Diamond specifications and retailer prices

From £82 GBP
As of November 5, 2026
Save £766 GBP (90%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £847 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 0.71ct lab-grown round diamond

This 0.71ct lab-grown round sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG707551916 or 707551916. Listed at 20 retailers as of November 5, 2026, with prices from £82 to £847, a £766 spread on the same certified stone. MOH London lists it at £847. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG707551916
Dimensions5.68 × 5.73 × 3.56 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
5.68 mm5.73 mm0.71 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG707551916
Side View
Table 57.0%Crown 36.4°Girdle: THN-MEDPavilion 40.9°Culet: NoneDepth 62.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: £847 GBP|Low: £78 GBP|High: £854 GBP|Avg: £253 GBP|-0.6%
MOH London
Retailer 2
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November 6, 2026
Retailer 8£82 GBP
Retailer 17£91 GBP
Retailer 15£95 GBP
Retailer 3£108 GBP
Retailer 5£108 GBP
Retailer 11£123 GBP
Retailer 2£200 GBP
Retailer 9£201 GBP
Retailer 13£207 GBP
Retailer 10£267 GBP
Retailer 16£278 GBP
Retailer 7£327 GBP
Retailer 14£342 GBP
Retailer 12£365 GBP
Retailer 6£369 GBP
Retailer 4£674 GBP
MOH London£847 GBP

46 data points across 17 retailers

20 retailers£82 GBP to £847 GBP

A
Cheapest Retailer
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£82 GBP
A
Retailer 2
-
£91 GBP
View
Final sale: no returns
Retailer 3
-
£94 GBP
View
Price last confirmed 47 days ago
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Retailer 4
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£95 GBP
View
A
Retailer 5
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£108 GBP
View
Retailer 6
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£108 GBP
View
Price last confirmed 12 days ago
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Retailer 7
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£123 GBP
View
A
Retailer 8
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£200 GBP
View
A
Retailer 9
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£201 GBP
View
A
Retailer 10
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£207 GBP
View
B+
Retailer 11
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£255 GBP
View
B+
Retailer 12
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£267 GBP
View
B+
Retailer 13
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£267 GBP
View
B+
Retailer 14
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£278 GBP
View
B+
Retailer 15
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£327 GBP
View
B+
Retailer 16
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£342 GBP
View
B+
Retailer 17
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£365 GBP
View
B+
Retailer 18
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£369 GBP
View
B
Retailer 19
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£674 GBP
View
Most Expensive
B
MOH London
LG707551916 · Nov 5
£847 GBP
View
19 more retailers have this diamond
Prices start from £82 GBPSave up to £766 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
£82 GBP