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Round|Lab Grown|IGI

1.55ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG811694480

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811694480

Diamond specifications and retailer prices

From £152 GBP
$204 USD
As of November 3, 2026
Save £747 GBP (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £900 GBP at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1.55ct lab-grown round diamond

This 1.55ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG811694480 or 811694480. Listed at 21 retailers as of November 1, 2026, with prices from £152 to £900, a £747 spread on the same certified stone. Reve Diamonds lists it at £900. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811694480
Dimensions7.40 × 7.37 × 4.58 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
7.40 mm7.37 mm1.55 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811694480
Side View
Table 57.0%Crown 34.9°Girdle: MediumPavilion 41.1°Culet: NoneDepth 62.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 3
Current: £346 GBP|Low: £146 GBP|High: £892 GBP|Avg: £429 GBP|+6.5%
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
November 3, 2026
Retailer 2£152 GBP
Retailer 7£177 GBP
Retailer 3£189 GBP
Retailer 11£294 GBP
Retailer 9£314 GBP
Retailer 12£326 GBP
Retailer 5£326 GBP
Retailer 1£346 GBP
Retailer 6£437 GBP
Retailer 10£440 GBP
Retailer 8£493 GBP
Retailer 15£600 GBP
Retailer 14£723 GBP
Retailer 4£768 GBP
Retailer 13£882 GBP

43 data points across 15 retailers

21 retailers£152 GBP to £900 GBP

A
Cheapest Retailer
-
£152 GBP
$204 USD
A
Retailer 2
-
£170 GBP
$228 USD
View
Final sale: no returns
A
Retailer 3
-
£177 GBP
$237 USD
View
Retailer 4
-
£189 GBP
$253 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
£189 GBP
$253 USD
View
A
Retailer 6
-
£294 GBP
View
A
Retailer 7
-
£314 GBP
€401 EUR
View
A
Retailer 8
-
£326 GBP
ZAR 7,055 ZAR
View
B+
Retailer 9
-
£326 GBP
$437 USD
View
A
Retailer 10
-
£346 GBP
View
A
Retailer 11
-
£354 GBP
$475 USD
View
B+
Retailer 12
-
£437 GBP
$586 USD
View
A
Retailer 13
-
£440 GBP
A$907 AUD
View
B+
Retailer 14
-
£493 GBP
$661 USD
View
Retailer 15
-
£600 GBP
$805 USD
View
Price last confirmed 16 days ago
B+
Retailer 16
-
£606 GBP
$813 USD
View
B+
Retailer 17
-
£646 GBP
$867 USD
View
B
Retailer 18
-
£723 GBP
$970 USD
View
B
Retailer 19
-
£768 GBP
$1,030 USD
View
B
Retailer 20
-
£882 GBP
View
Most Expensive
B
Reve Diamonds
0A0A99B91 · Nov 1
£900 GBP
$1,206 USD
View
20 more retailers have this diamond
Prices start from £152 GBPSave up to £747 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
1.55ct Round
£152 GBP