Round|Lab Grown|IGI

1.30ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG783646857

Shape and cutting style on the report: Round brilliant

Certificate IGI LG783646857

Diamond specifications and retailer prices

From £130 GBP
$175 USD
As of November 1, 2026
Save £630 GBP (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £761 GBP at MOH London · As of October 29, 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 LG783646857 or 783646857. Listed at 20 retailers as of October 29, 2026, with prices from £130 to £761, a £630 spread on the same certified stone. MOH London lists it at £761. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783646857
Dimensions6.99 × 6.94 × 4.34 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
6.99 mm6.94 mm1.30 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783646857
Side View
Table 57.0%Crown 34.8°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.4%

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: Nov 1
Current: £761 GBP|Low: £130 GBP|High: £792 GBP|Avg: £371 GBP|-3.8%
MOH London
Retailer 2
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Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 18
November 2, 2026
Retailer 18£130 GBP
Retailer 17£151 GBP
Retailer 10£162 GBP
Retailer 12£279 GBP
Retailer 16£279 GBP
Retailer 5£288 GBP
Retailer 13£290 GBP
Retailer 11£300 GBP
Retailer 4£328 GBP
Retailer 3£349 GBP
Retailer 14£395 GBP
Retailer 2£413 GBP
Retailer 7£455 GBP
Retailer 15£507 GBP
Retailer 9£521 GBP
Retailer 6£561 GBP
Retailer 8£581 GBP
MOH London£761 GBP

40 data points across 18 retailers

20 retailers£130 GBP to £761 GBP

A
Cheapest Retailer
-
£130 GBP
$175 USD
A
Retailer 2
-
£151 GBP
$203 USD
View
A
Retailer 3
-
£162 GBP
$217 USD
View
Retailer 4
-
£168 GBP
$225 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
£279 GBP
View
A
Retailer 6
-
£279 GBP
ZAR 6,059 ZAR
View
B+
Retailer 7
-
£288 GBP
$386 USD
View
A
Retailer 8
-
£290 GBP
View
A
Retailer 9
-
£300 GBP
€384 EUR
View
A
Retailer 10
-
£328 GBP
$440 USD
View
B+
Retailer 11
-
£349 GBP
$469 USD
View
B+
Retailer 12
-
£395 GBP
A$815 AUD
View
B+
Retailer 13
-
£413 GBP
$554 USD
View
B+
Retailer 14
-
£455 GBP
$610 USD
View
B+
Retailer 15
-
£507 GBP
$680 USD
View
Retailer 16
-
£514 GBP
$690 USD
View
Price last confirmed 47 days ago
B+
Retailer 17
-
£521 GBP
$699 USD
View
B
Retailer 18
-
£561 GBP
$753 USD
View
B
Retailer 19
-
£581 GBP
$780 USD
View
Most Expensive
B
MOH London
LG783646857 · Oct 29
£761 GBP
View
19 more retailers have this diamond
Prices start from £130 GBPSave up to £630 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
£130 GBP