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Round|Lab Grown|IGI

0.70ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG831685035

Shape and cutting style on the report: Round brilliant

Certificate IGI LG831685035

Diamond specifications and retailer prices

From £146 GBP
$194 USD
As of October 29, 2026
Save £433 GBP (75%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £578 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 0.7ct lab-grown round diamond

This 0.7ct lab-grown round sits in the half to three-quarter carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG831685035 or 831685035. Listed at 7 retailers as of October 29, 2026, with prices from £146 to £578, a £433 spread on the same certified stone. Brilliant Earth lists it at £578. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.70
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831685035
Dimensions5.71 × 5.75 × 3.54 mm
L/W Ratio1.01
Girdle conditionFaceted
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
5.71 mm5.75 mm0.70 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831685035
Side View
Table 58.0%Crown 34.4°Girdle: MediumPavilion 41.2°Culet: NoneDepth 61.8%

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 29
Current: £578 GBP|Low: £146 GBP|High: £578 GBP|Avg: £325 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 6£146 GBP
Retailer 2£163 GBP
Retailer 5£202 GBP
Retailer 3£244 GBP
Retailer 4£329 GBP
Retailer 7£491 GBP
Brilliant Earth£578 GBP

2 data points across 7 retailers

7 retailers£146 GBP to £578 GBP

A
Cheapest Retailer
-
£146 GBP
$194 USD
A
Retailer 2
-
£163 GBP
$217 USD
View
Final sale: no returns
A
Retailer 3
-
£202 GBP
HK$2,100 HKD
View
A
Retailer 4
-
£244 GBP
$325 USD
View
B+
Retailer 5
-
£329 GBP
View
B+
Retailer 6
-
£491 GBP
SGD 884 SGD
View
Most Expensive
B
Brilliant Earth
22347401A · Oct 29
£578 GBP
$770 USD
View
6 more retailers have this diamond
Prices start from £146 GBPSave up to £433 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
0.70ct Round
£146 GBP