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Round|Lab Grown|IGI

1.55ct D VS2 Round Lab Grown Diamond

ID • D/VS2 • IGI LG778633062

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778633062

Diamond specifications and retailer prices

From £161 GBP
$216 USD
As of November 1, 2026
Save £779 GBP (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £940 GBP at Brilliant Earth · As of October 31, 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 D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG778633062 or 778633062. Listed at 22 retailers as of October 31, 2026, with prices from £161 to £940, a £779 spread on the same certified stone. Brilliant Earth lists it at £940. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778633062
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 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778633062
Side View
Table 57.0%Crown 35.1°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
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 1
Current: £940 GBP|Low: £160 GBP|High: £1,022 GBP|Avg: £473 GBP|-8.0%
Brilliant Earth
Retailer 2
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Retailer 21
November 1, 2026
Retailer 10£161 GBP
Retailer 19£183 GBP
Retailer 20£187 GBP
Retailer 4£200 GBP
Retailer 5£200 GBP
Retailer 13£318 GBP
Retailer 6£343 GBP
Retailer 21£350 GBP
Retailer 15£371 GBP
Retailer 17£379 GBP
Retailer 3£391 GBP
Retailer 14£421 GBP
Retailer 8£548 GBP
Retailer 12£601 GBP
Retailer 11£644 GBP
Retailer 9£683 GBP
Retailer 2£803 GBP
Retailer 18£806 GBP
Retailer 16£815 GBP
Retailer 7£930 GBP
Brilliant Earth£940 GBP

31 data points across 21 retailers

22 retailers£161 GBP to £940 GBP

A
Cheapest Retailer
-
£161 GBP
$216 USD
A
Retailer 2
-
£183 GBP
$245 USD
View
Final sale: no returns
A
Retailer 3
-
£187 GBP
$251 USD
View
Retailer 4
-
£200 GBP
$268 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
£200 GBP
$268 USD
View
A
Retailer 6
-
£318 GBP
View
B+
Retailer 7
-
£343 GBP
$459 USD
View
A
Retailer 8
-
£350 GBP
$469 USD
View
A
Retailer 9
-
£371 GBP
View
A
Retailer 10
-
£379 GBP
€483 EUR
View
A
Retailer 11
-
£391 GBP
$524 USD
View
B+
Retailer 12
-
£421 GBP
A$868 AUD
View
B+
Retailer 13
-
£548 GBP
$734 USD
View
Retailer 14
-
£601 GBP
$805 USD
View
Price last confirmed 11 days ago
B+
Retailer 15
-
£644 GBP
$863 USD
View
B
Retailer 16
-
£683 GBP
$915 USD
View
B
Retailer 17
-
£750 GBP
$1,005 USD
View
B
Retailer 18
-
£803 GBP
View
B
Retailer 19
-
£806 GBP
A$1,661 AUD
View
B
Retailer 20
-
£815 GBP
$1,092 USD
View
B
Retailer 21
-
£930 GBP
$1,246 USD
View
Most Expensive
B
Brilliant Earth
20004868A · Oct 31
£940 GBP
$1,260 USD
View
21 more retailers have this diamond
Prices start from £161 GBPSave up to £779 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
£161 GBP