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Round|Lab Grown|IGI

1.00ct E SI2 Round Lab Grown Diamond

VG • E/SI2 • IGI LG710564677

Shape and cutting style on the report: Round brilliant

Certificate IGI LG710564677

Diamond specifications and retailer prices

From £109 GBP
$145 USD
As of October 24, 2026
Save £862 GBP (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £971 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 1ct lab-grown round diamond

This 1ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI LG710564677 or 710564677. Listed at 14 retailers as of October 24, 2026, with prices from £109 to £971, a £862 spread on the same certified stone. MOH London lists it at £971. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
E
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG710564677
Dimensions6.43 × 6.34 × 3.91 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
6.43 mm6.34 mm1.00 ctE / SI2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG710564677
Side View
Table 57.0%Crown 32.5°Girdle: STK-THKPavilion 40.7°Culet: NoneDepth 61.2%

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 24
Current: £971 GBP|Low: £94 GBP|High: £1,059 GBP|Avg: £283 GBP|-8.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 26, 2026
Retailer 6£94 GBP
Retailer 3£105 GBP
Retailer 13£109 GBP
Retailer 9£124 GBP
Retailer 15£124 GBP
Retailer 8£183 GBP
Retailer 10£216 GBP
Retailer 5£223 GBP
Retailer 11£241 GBP
Retailer 2£268 GBP
Retailer 7£297 GBP
Retailer 14£302 GBP
Retailer 12£373 GBP
Retailer 4£394 GBP
MOH London£971 GBP

30 data points across 15 retailers

14 retailers£109 GBP to £971 GBP

Retailer 1
-
£94 GBP
$125 USD
Price last confirmed 7 days ago
A
Retailer 2
-
£109 GBP
$145 USD
View
A
Retailer 3
-
£124 GBP
$165 USD
View
A
Retailer 4
-
£124 GBP
$165 USD
View
A
Retailer 5
-
£183 GBP
View
B+
Retailer 6
-
£216 GBP
€274 EUR
View
B+
Retailer 7
-
£223 GBP
$297 USD
View
B+
Retailer 8
-
£241 GBP
$321 USD
View
B+
Retailer 9
-
£268 GBP
View
Retailer 10
-
£297 GBP
$395 USD
View
Price last confirmed 44 days ago
B+
Retailer 11
-
£302 GBP
$402 USD
View
B
Retailer 12
-
£373 GBP
$497 USD
View
B
Retailer 13
-
£394 GBP
$525 USD
View
Most Expensive
B
MOH London
LG710564677 · Oct 26
£971 GBP
View
13 more retailers have this diamond
Prices start from £109 GBPSave up to £862 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
1.00ct Round
£109 GBP