Round|Lab Grown|IGI

1.55ct E VVS1 Round Lab Grown Diamond

ID • E/VVS1 • IGI LG788621145

Shape and cutting style on the report: Round brilliant

Certificate IGI LG788621145

Diamond specifications and retailer prices

From £222 GBP
$297 USD
As of October 30, 2026
Save £826 GBP (79%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: £1,858 GBP at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

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 E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG788621145 or 788621145. Listed at 27 retailers as of October 30, 2026, with a 373% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788621145
Dimensions7.48 × 7.44 × 4.55 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.48 mm7.44 mm1.55 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788621145
Side View
Table 59.0%Crown 34.4°Girdle: MediumPavilion 41.1°Culet: NoneDepth 61.0%

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 30
Current: £1,858 GBP|Low: £199 GBP|High: £1,858 GBP|Avg: £578 GBP
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 11
Retailer 12
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Retailer 16
October 31, 2026
Retailer 3£199 GBP
Retailer 7£246 GBP
Retailer 9£328 GBP
Retailer 5£330 GBP
Retailer 15£332 GBP
Retailer 13£423 GBP
Retailer 8£443 GBP
Retailer 12£445 GBP
Retailer 2£465 GBP
Retailer 10£470 GBP
Retailer 14£572 GBP
Retailer 16£625 GBP
Retailer 6£898 GBP
Retailer 4£918 GBP
Retailer 11£991 GBP
Brilliant Earth£1,858 GBP

39 data points across 16 retailers

27 retailers£222 GBP to £1,048 GBP

Retailer 1
-
£199 GBP
$266 USD
Price last confirmed 20 days ago
A
Retailer 2
-
£222 GBP
$297 USD
View
Final sale: no returns
Retailer 3
-
£230 GBP
$308 USD
View
Price last confirmed 17 days ago
Retailer 4
-
£246 GBP
$330 USD
View
Price last confirmed 28 days ago
Retailer 5
-
£246 GBP
$330 USD
View
Price last confirmed 18 days ago
A
Retailer 6
-
£246 GBP
$330 USD
View
A
Retailer 7
-
£246 GBP
$330 USD
View
A
Retailer 8
-
£328 GBP
View
B+
Retailer 9
-
£330 GBP
$442 USD
View
A
Retailer 10
-
£332 GBP
$445 USD
View
A
Retailer 11
-
£423 GBP
ZAR 9,153 ZAR
View
B+
Retailer 12
-
£443 GBP
$594 USD
View
A
Retailer 13
-
£445 GBP
€568 EUR
View
B+
Retailer 14
-
£447 GBP
$599 USD
View
B+
Retailer 15
-
£465 GBP
A$958 AUD
View
B+
Retailer 16
-
£470 GBP
View
B+
Retailer 17
-
£572 GBP
A$1,180 AUD
View
B+
Retailer 18
-
£625 GBP
$837 USD
View
B
Retailer 19
-
£790 GBP
SGD 1,430 SGD
View
Retailer 20
-
£791 GBP
$1,060 USD
View
Price last confirmed 23 days ago
B
Retailer 21
-
£829 GBP
$1,111 USD
View
B
Retailer 22
-
£898 GBP
$1,203 USD
View
Retailer 23
-
£918 GBP
A$1,892 AUD
View
Price last confirmed 22 days ago
B
Retailer 24
-
£947 GBP
$1,269 USD
View
B+
Retailer 25
-
£991 GBP
View
B
Retailer 26
-
£1,048 GBP
$1,404 USD
View
Most Expensive
Brilliant Earth
18980860A · Oct 16
£1,858 GBP
$2,490 USD
View
Price last confirmed 14 days ago
26 more retailers have this diamond
Prices start from £222 GBPSave up to £826 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
£222 GBP