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Round|Lab Grown|IGI

0.70ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG499190463

Shape and cutting style on the report: Round brilliant

Certificate IGI LG499190463

Diamond specifications and retailer prices

From £148 GBP
$197 USD
As of October 29, 2026
Save £715 GBP (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £863 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.7ct lab-grown round diamond

This 0.7ct lab-grown round sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG499190463 or 499190463. Listed at 10 retailers as of October 29, 2026, with prices from £148 to £863, a £715 spread on the same certified stone. MOH London lists it at £863. 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

0.70
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499190463
Dimensions5.70 × 5.66 × 3.51 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 mm5.66 mm0.70 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499190463
Side View
Table 60.5%Crown 34.9°Girdle: MED-STKPavilion 41.6°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: £863 GBP|Low: £119 GBP|High: £869 GBP|Avg: £394 GBP|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 3£148 GBP
Retailer 8£166 GBP
Retailer 5£183 GBP
Retailer 7£183 GBP
Retailer 6£320 GBP
Retailer 4£338 GBP
Retailer 10£352 GBP
Retailer 9£556 GBP
Retailer 2£592 GBP
MOH London£863 GBP

14 data points across 10 retailers

10 retailers£148 GBP to £863 GBP

A
Cheapest Retailer
-
£148 GBP
$197 USD
A
Retailer 2
-
£166 GBP
$221 USD
View
Final sale: no returns
A
Retailer 3
-
£172 GBP
$229 USD
View
A
Retailer 4
-
£183 GBP
$244 USD
View
A
Retailer 5
-
£183 GBP
$244 USD
View
B+
Retailer 6
-
£320 GBP
$426 USD
View
B+
Retailer 7
-
£338 GBP
$450 USD
View
B+
Retailer 8
-
£590 GBP
$786 USD
View
B+
Retailer 9
-
£592 GBP
$788 USD
View
Most Expensive
B
MOH London
LG499190463 · Oct 29
£863 GBP
View
9 more retailers have this diamond
Prices start from £148 GBPSave up to £715 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
£148 GBP