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Round|Lab Grown|IGI

1.17ct J VS1 Round Lab Grown Diamond

ID • J/VS1 • IGI LG436064897

Shape and cutting style on the report: Round brilliant

Certificate IGI LG436064897

Diamond specifications and retailer prices

From £257 GBP
$345 USD
As of October 30, 2026
Save £438 GBP (63%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £696 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 1.17ct lab-grown round diamond

This 1.17ct lab-grown round sits in the classic one-carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG436064897 or 436064897. Listed at 5 retailers as of October 26, 2026, with prices from £257 to £696, a £438 spread on the same certified stone. MOH London lists it at £696. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.17
Carat
J
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436064897
Dimensions6.76 × 6.72 × 4.17 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by high pressure high temperature process (HPHT) Type II
Top View
6.76 mm6.72 mm1.17 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436064897
Side View
Table 58.0%Crown 36.2°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.9%

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 30
Current: £696 GBP|Low: £202 GBP|High: £834 GBP|Avg: £412 GBP|-15.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 26, 2026
Retailer 5£257 GBP
Retailer 3£268 GBP
Retailer 6£320 GBP
Retailer 4£334 GBP
Retailer 2£519 GBP
MOH London£696 GBP

16 data points across 6 retailers

5 retailers£257 GBP to £696 GBP

A
Cheapest Retailer
-
£257 GBP
$345 USD
A
Retailer 2
-
£268 GBP
$359 USD
View
A
Retailer 3
-
£334 GBP
$448 USD
View
A
Retailer 4
-
£519 GBP
$695 USD
View
Most Expensive
B+
MOH London
LG436064897 · Oct 26
£696 GBP
View
4 more retailers have this diamond
Prices start from £257 GBPSave up to £438 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
1.17ct Round
£257 GBP