CaratHunter
Plans
Round|Lab Grown|IGI

0.71ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG494160393

Shape and cutting style on the report: Round brilliant

Certificate IGI LG494160393

Diamond specifications and retailer prices

From £284 GBP
$380 USD
As of October 30, 2026
Save £1,816 GBP (86%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £2,099 GBP at MOH London · As of October 26, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG494160393 or 494160393. Listed at 12 retailers as of October 26, 2026, with prices from £284 to £2,099, a £1,816 spread on the same certified stone. MOH London lists it at £2,099. 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
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG494160393
Dimensions5.70 × 5.67 × 3.54 mm
L/W Ratio1.01
Girdle conditionFaceted
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
5.70 mm5.67 mm0.71 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG494160393
Side View
Table 55.5%Crown 35.4°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £2,099 GBP|Low: £284 GBP|High: £2,121 GBP|Avg: £763 GBP|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 4£284 GBP
Retailer 6£405 GBP
Retailer 9£454 GBP
Retailer 10£454 GBP
Retailer 7£502 GBP
Retailer 8£775 GBP
Retailer 3£780 GBP
Retailer 2£839 GBP
Retailer 5£1,296 GBP
MOH London£2,099 GBP

43 data points across 10 retailers

12 retailers£284 GBP to £2,099 GBP

A
Cheapest Retailer
-
£284 GBP
$380 USD
B+
Retailer 2
-
£405 GBP
$543 USD
View
B+
Retailer 3
-
£454 GBP
$608 USD
View
Final sale: no returns
B+
Retailer 4
-
£454 GBP
$608 USD
View
B+
Retailer 5
-
£502 GBP
$673 USD
View
Retailer 6
-
£502 GBP
$673 USD
View
Price last confirmed 15 days ago
B
Retailer 7
-
£775 GBP
$1,039 USD
View
B
Retailer 8
-
£780 GBP
View
B
Retailer 9
-
£839 GBP
€1,071 EUR
View
B
Retailer 10
-
£1,296 GBP
$1,736 USD
View
B
Retailer 11
-
£1,321 GBP
$1,770 USD
View
Most Expensive
B
MOH London
LG494160393 · Oct 26
£2,099 GBP
View
11 more retailers have this diamond
Prices start from £284 GBPSave up to £1,816 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
£284 GBP