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Round|Lab Grown|IGI

1.55ct E VVS1 Round Lab Grown Diamond

ID • E/VVS1 • IGI LG770649193

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770649193

Diamond specifications and retailer prices

From £199 GBP
$266 USD
As of October 29, 2026
Save £849 GBP (81%) vs most expensive(unlock to see where)
25 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 LG770649193 or 770649193. Listed at 25 retailers as of October 29, 2026, with a 428% 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 angle35.2°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770649193
Dimensions7.41 × 7.44 × 4.60 mm
L/W Ratio1.00
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
7.41 mm7.44 mm1.55 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770649193
Side View
Table 59.0%Crown 35.2°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £1,858 GBP|Low: £199 GBP|High: £1,858 GBP|Avg: £543 GBP
Brilliant Earth
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
October 31, 2026
Retailer 7£199 GBP
Retailer 5£246 GBP
Retailer 8£246 GBP
Retailer 10£283 GBP
Retailer 12£328 GBP
Retailer 4£332 GBP
Retailer 16£423 GBP
Retailer 15£445 GBP
Retailer 9£465 GBP
Retailer 13£470 GBP
Retailer 3£572 GBP
Retailer 6£625 GBP
Retailer 2£791 GBP
Retailer 11£934 GBP
Retailer 14£991 GBP
Brilliant Earth£1,858 GBP

25 data points across 16 retailers

25 retailers£199 GBP to £1,048 GBP

A
Cheapest Retailer
-
£199 GBP
$266 USD
A
Retailer 2
-
£222 GBP
$297 USD
View
Final sale: no returns
A
Retailer 3
-
£246 GBP
$330 USD
View
A
Retailer 4
-
£246 GBP
$330 USD
View
A
Retailer 5
-
£283 GBP
$379 USD
View
A
Retailer 6
-
£328 GBP
View
B+
Retailer 7
-
£330 GBP
$442 USD
View
A
Retailer 8
-
£332 GBP
$445 USD
View
A
Retailer 9
-
£423 GBP
ZAR 9,153 ZAR
View
A
Retailer 10
-
£443 GBP
$594 USD
View
A
Retailer 11
-
£445 GBP
€568 EUR
View
B+
Retailer 12
-
£447 GBP
$599 USD
View
B+
Retailer 13
-
£465 GBP
A$958 AUD
View
B+
Retailer 14
-
£470 GBP
View
B+
Retailer 15
-
£572 GBP
A$1,180 AUD
View
B+
Retailer 16
-
£625 GBP
$837 USD
View
B
Retailer 17
-
£790 GBP
SGD 1,430 SGD
View
B+
Retailer 18
-
£791 GBP
$1,060 USD
View
B
Retailer 19
-
£829 GBP
$1,111 USD
View
B
Retailer 20
-
£898 GBP
$1,203 USD
View
B
Retailer 21
-
£934 GBP
A$1,925 AUD
View
B
Retailer 22
-
£947 GBP
$1,269 USD
View
B+
Retailer 23
-
£991 GBP
View
B
Retailer 24
-
£1,048 GBP
$1,404 USD
View
Most Expensive
Brilliant Earth
18437401A · Oct 16
£1,858 GBP
$2,490 USD
View
Price last confirmed 14 days ago
24 more retailers have this diamond
Prices start from £199 GBPSave up to £849 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
£199 GBP