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Round|Lab Grown|IGI

1.30ct H VS1 Round Lab Grown Diamond

EX • H/VS1 • IGI LG490176177

Shape and cutting style on the report: Round brilliant

Certificate IGI LG490176177

Diamond specifications and retailer prices

From £777 GBP
As of November 3, 2026
Save £2,279 GBP (75%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £3,057 GBP at MOH London · As of November 3, 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG490176177 or 490176177. Listed at 13 retailers as of November 3, 2026, with prices from £777 to £3,057, a £2,279 spread on the same certified stone. MOH London lists it at £3,057. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG490176177
Dimensions7.12 × 7.16 × 4.15 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.12 mm7.16 mm1.30 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG490176177
Side View
Table 61.5%Crown 32.9°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 58.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: £3,057 GBP|Low: £577 GBP|High: £3,093 GBP|Avg: £1,441 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 3, 2026
Retailer 6£577 GBP
Retailer 10£777 GBP
Retailer 9£822 GBP
Retailer 13£845 GBP
Retailer 15£869 GBP
Retailer 11£901 GBP
Retailer 3£1,030 GBP
Retailer 4£1,296 GBP
Retailer 12£1,436 GBP
Retailer 2£1,658 GBP
Retailer 14£1,689 GBP
Retailer 5£1,883 GBP
Retailer 8£2,347 GBP
Retailer 7£2,579 GBP
MOH London£3,057 GBP

21 data points across 15 retailers

13 retailers£777 GBP to £3,057 GBP

B+
Cheapest Retailer
-
£777 GBP
B+
Retailer 2
-
£822 GBP
View
B+
Retailer 3
-
£845 GBP
View
B
Retailer 4
-
£869 GBP
View
Final sale: no returns
Retailer 5
-
£901 GBP
View
Price last confirmed 19 days ago
B
Retailer 6
-
£901 GBP
View
B
Retailer 7
-
£1,030 GBP
View
B
Retailer 8
-
£1,436 GBP
View
B
Retailer 9
-
£1,658 GBP
View
B
Retailer 10
-
£1,689 GBP
View
B
Retailer 11
-
£1,883 GBP
View
B
Retailer 12
-
£2,347 GBP
View
Most Expensive
B
MOH London
LG490176177 · Nov 3
£3,057 GBP
View
12 more retailers have this diamond
Prices start from £777 GBPSave up to £2,279 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.

B+
1.30ct Round
£777 GBP