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Round|Lab Grown|IGI

1.30ct G VS1 Round Lab Grown Diamond

EX • G/VS1 • IGI LG843618853

Shape and cutting style on the report: Round brilliant

Certificate IGI LG843618853

Diamond specifications and retailer prices

From £146 GBP
$196 USD
As of October 24, 2026
Save £587 GBP (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £734 GBP at MOH London · As of October 25, 2026
View at MOH London

About this 1.3ct lab-grown round diamond

This 1.3ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843618853 or 843618853. Listed at 20 retailers as of October 24, 2026, with prices from £146 to £734, a £587 spread on the same certified stone. MOH London lists it at £734. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843618853
Dimensions6.93 × 6.96 × 4.32 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.93 mm6.96 mm1.30 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843618853
Side View
Table 57.0%Crown 35.9°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.2%

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: £734 GBP|Low: £126 GBP|High: £740 GBP|Avg: £340 GBP|-0.9%
MOH London
Retailer 2
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Retailer 20
October 26, 2026
Retailer 3£126 GBP
Retailer 10£146 GBP
Retailer 7£157 GBP
Retailer 19£157 GBP
Retailer 20£182 GBP
Retailer 11£213 GBP
Retailer 13£265 GBP
Retailer 15£265 GBP
Retailer 14£266 GBP
Retailer 17£272 GBP
Retailer 4£327 GBP
Retailer 8£346 GBP
Retailer 2£382 GBP
Retailer 16£452 GBP
Retailer 9£504 GBP
Retailer 6£521 GBP
Retailer 12£526 GBP
Retailer 18£532 GBP
Retailer 5£545 GBP
MOH London£734 GBP

18 data points across 20 retailers

20 retailers£146 GBP to £734 GBP

Retailer 1
-
£126 GBP
$169 USD
Price last confirmed 8 days ago
A
Retailer 2
-
£146 GBP
$196 USD
View
Retailer 3
-
£157 GBP
$210 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
£157 GBP
$210 USD
View
A
Retailer 5
-
£182 GBP
HK$1,900 HKD
View
B+
Retailer 6
-
£213 GBP
$285 USD
View
A
Retailer 7
-
£265 GBP
View
Retailer 8
-
£265 GBP
ZAR 5,735 ZAR
View
Price last confirmed 8 days ago
A
Retailer 9
-
£266 GBP
€339 EUR
View
Retailer 10
-
£272 GBP
View
Price last confirmed 14 days ago
A
Retailer 11
-
£327 GBP
$438 USD
View
B+
Retailer 12
-
£346 GBP
$463 USD
View
B+
Retailer 13
-
£382 GBP
A$787 AUD
View
B+
Retailer 14
-
£452 GBP
$605 USD
View
B+
Retailer 15
-
£504 GBP
$675 USD
View
B
Retailer 16
-
£521 GBP
SGD 943 SGD
View
B
Retailer 17
-
£526 GBP
$705 USD
View
B
Retailer 18
-
£532 GBP
$713 USD
View
B
Retailer 19
-
£545 GBP
$730 USD
View
Most Expensive
B
MOH London
LG843618853 · Oct 25
£734 GBP
View
19 more retailers have this diamond
Prices start from £146 GBPSave up to £587 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
1.30ct Round
£146 GBP