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Round|Lab Grown|IGI

1.51ct H VVS2 Round Lab Grown Diamond

ID • H/VVS2 • IGI LG818686650

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818686650

Diamond specifications and retailer prices

From £191 GBP
$256 USD
As of November 3, 2026
Save £866 GBP (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,057 GBP at With Clarity · As of November 3, 2026
View at With Clarity

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818686650 or 818686650. Listed at 18 retailers as of November 3, 2026, with prices from £191 to £1,057, a £866 spread on the same certified stone. With Clarity lists it at £1,057. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818686650
Dimensions7.33 × 7.38 × 4.59 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.33 mm7.38 mm1.51 ctH / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818686650
Side View
Table 58.0%Crown 34.8°Girdle: MediumPavilion 41.4°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 3
Current: £368 GBP|Low: £183 GBP|High: £1,036 GBP|Avg: £493 GBP|-1.3%
Retailer 1
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
Retailer 16
Retailer 17
With Clarity
November 3, 2026
Retailer 17£191 GBP
Retailer 5£221 GBP
Retailer 2£236 GBP
Retailer 7£236 GBP
Retailer 16£354 GBP
Retailer 9£355 GBP
Retailer 1£368 GBP
Retailer 3£396 GBP
Retailer 13£409 GBP
Retailer 10£425 GBP
Retailer 4£432 GBP
Retailer 11£554 GBP
Retailer 12£608 GBP
Retailer 15£615 GBP
Retailer 6£761 GBP
Retailer 8£799 GBP
Retailer 14£949 GBP
With Clarity£1,036 GBP

44 data points across 18 retailers

18 retailers£191 GBP to £1,057 GBP

A
Cheapest Retailer
-
£191 GBP
$256 USD
A
Retailer 2
-
£221 GBP
$297 USD
View
A
Retailer 3
-
£236 GBP
$317 USD
View
Retailer 4
-
£236 GBP
$317 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
£354 GBP
$475 USD
View
A
Retailer 6
-
£355 GBP
$476 USD
View
A
Retailer 7
-
£368 GBP
View
B+
Retailer 8
-
£396 GBP
$531 USD
View
A
Retailer 9
-
£409 GBP
ZAR 8,854 ZAR
View
A
Retailer 10
-
£425 GBP
€543 EUR
View
B+
Retailer 11
-
£432 GBP
$580 USD
View
B+
Retailer 12
-
£554 GBP
A$1,143 AUD
View
B
Retailer 13
-
£608 GBP
$815 USD
View
Retailer 14
-
£615 GBP
$825 USD
View
Price last confirmed 13 days ago
B
Retailer 15
-
£761 GBP
$1,020 USD
View
B
Retailer 16
-
£799 GBP
$1,072 USD
View
B
Retailer 17
-
£949 GBP
View
Most Expensive
B
With Clarity
818686650 · Nov 3
£1,057 GBP
$1,417 USD
View
17 more retailers have this diamond
Prices start from £191 GBPSave up to £866 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
1.51ct Round
£191 GBP