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Round|Lab Grown|IGI

1.00ct H VS1 Round Lab Grown Diamond

EX • H/VS1 • IGI LG792641757

Shape and cutting style on the report: Round brilliant

Certificate IGI LG792641757

Diamond specifications and retailer prices

From £110 GBP
$148 USD
As of November 1, 2026
Save £530 GBP (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £641 GBP at MOH London · As of November 1, 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG792641757 or 792641757. Listed at 19 retailers as of November 1, 2026, with prices from £110 to £641, a £530 spread on the same certified stone. MOH London lists it at £641. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG792641757
Dimensions6.55 × 6.51 × 3.86 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.55 mm6.51 mm1.00 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG792641757
Side View
Table 62.0%Crown 33.2°Girdle: MediumPavilion 41°Culet: NoneDepth 59.1%

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: Nov 1
Current: £641 GBP|Low: £107 GBP|High: £664 GBP|Avg: £298 GBP|-3.6%
MOH London
Retailer 2
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Retailer 7
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Retailer 11
Retailer 12
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Retailer 17
November 1, 2026
Retailer 11£110 GBP
Retailer 3£123 GBP
Retailer 17£128 GBP
Retailer 13£137 GBP
Retailer 7£138 GBP
Retailer 10£236 GBP
Retailer 12£251 GBP
Retailer 5£252 GBP
Retailer 2£334 GBP
Retailer 15£352 GBP
Retailer 9£366 GBP
Retailer 16£375 GBP
Retailer 8£379 GBP
Retailer 14£440 GBP
Retailer 6£443 GBP
Retailer 4£482 GBP
MOH London£641 GBP

33 data points across 17 retailers

19 retailers£110 GBP to £641 GBP

A
Cheapest Retailer
-
£110 GBP
$148 USD
A
Retailer 2
-
£123 GBP
$165 USD
View
Final sale: no returns
A
Retailer 3
-
£128 GBP
$172 USD
View
Retailer 4
-
£137 GBP
$183 USD
View
Price last confirmed 61 days ago
A
Retailer 5
-
£137 GBP
$184 USD
View
Retailer 6
-
£138 GBP
$185 USD
View
Price last confirmed 7 days ago
A
Retailer 7
-
£216 GBP
$290 USD
View
A
Retailer 8
-
£236 GBP
ZAR 5,119 ZAR
View
A
Retailer 9
-
£251 GBP
View
A
Retailer 10
-
£252 GBP
$337 USD
View
B+
Retailer 11
-
£334 GBP
A$689 AUD
View
B+
Retailer 12
-
£352 GBP
$472 USD
View
B+
Retailer 13
-
£366 GBP
$490 USD
View
B+
Retailer 14
-
£375 GBP
$502 USD
View
B+
Retailer 15
-
£379 GBP
SGD 687 SGD
View
B+
Retailer 16
-
£440 GBP
$590 USD
View
B+
Retailer 17
-
£443 GBP
$593 USD
View
B
Retailer 18
-
£482 GBP
$646 USD
View
Most Expensive
B
MOH London
LG792641757 · Nov 1
£641 GBP
View
18 more retailers have this diamond
Prices start from £110 GBPSave up to £530 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
£110 GBP