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Round|Lab Grown|IGI

1.30ct G VS1 Round Lab Grown Diamond

EX • G/VS1 • IGI LG783646931

Shape and cutting style on the report: Round brilliant

Certificate IGI LG783646931

Diamond specifications and retailer prices

From £131 GBP
$175 USD
As of October 29, 2026
Save £654 GBP (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £785 GBP at MOH London · As of October 26, 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 LG783646931 or 783646931. Listed at 20 retailers as of October 26, 2026, with prices from £131 to £785, a £654 spread on the same certified stone. MOH London lists it at £785. 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 angle32.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783646931
Dimensions7.12 × 7.07 × 4.23 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
7.12 mm7.07 mm1.30 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783646931
Side View
Table 59.0%Crown 32.7°Girdle: MediumPavilion 40.7°Culet: NoneDepth 59.6%

Caratlytics Score

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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: £785 GBP|Low: £131 GBP|High: £793 GBP|Avg: £377 GBP
MOH London
Retailer 2
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Retailer 18
October 30, 2026
Retailer 14£131 GBP
Retailer 11£152 GBP
Retailer 9£162 GBP
Retailer 8£278 GBP
Retailer 12£281 GBP
Retailer 3£288 GBP
Retailer 13£290 GBP
Retailer 15£310 GBP
Retailer 17£328 GBP
Retailer 16£350 GBP
Retailer 2£408 GBP
Retailer 10£409 GBP
Retailer 5£455 GBP
Retailer 7£522 GBP
Retailer 18£522 GBP
Retailer 4£562 GBP
Retailer 6£582 GBP
MOH London£785 GBP

44 data points across 18 retailers

20 retailers£131 GBP to £785 GBP

A
Cheapest Retailer
-
£131 GBP
$175 USD
A
Retailer 2
-
£152 GBP
$203 USD
View
A
Retailer 3
-
£162 GBP
$217 USD
View
A
Retailer 4
-
£168 GBP
$225 USD
View
A
Retailer 5
-
£278 GBP
ZAR 6,027 ZAR
View
A
Retailer 6
-
£281 GBP
View
B+
Retailer 7
-
£288 GBP
$386 USD
View
A
Retailer 8
-
£290 GBP
View
A
Retailer 9
-
£310 GBP
€396 EUR
View
A
Retailer 10
-
£328 GBP
$440 USD
View
B+
Retailer 11
-
£350 GBP
$469 USD
View
B+
Retailer 12
-
£408 GBP
$547 USD
View
B+
Retailer 13
-
£409 GBP
A$843 AUD
View
B+
Retailer 14
-
£455 GBP
$610 USD
View
Retailer 15
-
£515 GBP
$690 USD
View
Price last confirmed 45 days ago
B
Retailer 16
-
£522 GBP
$699 USD
View
B+
Retailer 17
-
£522 GBP
$700 USD
View
B
Retailer 18
-
£562 GBP
$753 USD
View
B
Retailer 19
-
£582 GBP
$780 USD
View
Most Expensive
B
MOH London
LG783646931 · Oct 26
£785 GBP
View
19 more retailers have this diamond
Prices start from £131 GBPSave up to £654 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
£131 GBP