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Round|Lab Grown|IGI

1.55ct D VS2 Round Lab Grown Diamond

ID • D/VS2 • IGI LG784680254

Shape and cutting style on the report: Round brilliant

Certificate IGI LG784680254

Diamond specifications and retailer prices

From £168 GBP
$225 USD
As of November 1, 2026
Save £996 GBP (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,164 GBP at Brilliant Earth · As of October 28, 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 LG784680254 or 784680254. Listed at 20 retailers as of October 28, 2026, with prices from £168 to £1,164, a £996 spread on the same certified stone. Brilliant Earth lists it at £1,164. 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 angle34.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784680254
Dimensions7.38 × 7.43 × 4.57 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
7.38 mm7.43 mm1.55 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784680254
Side View
Table 57.0%Crown 34.4°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.7%

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 1
Current: £1,164 GBP|Low: £161 GBP|High: £1,164 GBP|Avg: £488 GBP
Brilliant Earth
Retailer 2
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November 1, 2026
Retailer 20£168 GBP
Retailer 9£195 GBP
Retailer 8£207 GBP
Retailer 12£207 GBP
Retailer 19£280 GBP
Retailer 18£331 GBP
Retailer 14£335 GBP
Retailer 10£352 GBP
Retailer 13£387 GBP
Retailer 17£416 GBP
Retailer 6£454 GBP
Retailer 15£511 GBP
Retailer 4£593 GBP
Retailer 5£668 GBP
Retailer 11£673 GBP
Retailer 7£707 GBP
Retailer 16£800 GBP
Retailer 2£833 GBP
Retailer 3£846 GBP
Brilliant Earth£1,164 GBP

40 data points across 20 retailers

20 retailers£168 GBP to £1,164 GBP

A
Cheapest Retailer
-
£168 GBP
$225 USD
A
Retailer 2
-
£195 GBP
$261 USD
View
A
Retailer 3
-
£207 GBP
$278 USD
View
Retailer 4
-
£207 GBP
$278 USD
View
Price last confirmed 7 days ago
B+
Retailer 5
-
£280 GBP
$375 USD
View
Retailer 6
-
£331 GBP
View
Price last confirmed 15 days ago
A
Retailer 7
-
£335 GBP
€427 EUR
View
A
Retailer 8
-
£352 GBP
$472 USD
View
A
Retailer 9
-
£387 GBP
View
A
Retailer 10
-
£416 GBP
A$858 AUD
View
B+
Retailer 11
-
£454 GBP
$608 USD
View
B+
Retailer 12
-
£511 GBP
$685 USD
View
Retailer 13
-
£593 GBP
$795 USD
View
Price last confirmed 28 days ago
B+
Retailer 14
-
£668 GBP
$895 USD
View
B
Retailer 15
-
£673 GBP
SGD 1,218 SGD
View
Retailer 16
-
£707 GBP
$948 USD
View
Price last confirmed 14 days ago
B
Retailer 17
-
£800 GBP
A$1,650 AUD
View
B
Retailer 18
-
£833 GBP
View
B
Retailer 19
-
£846 GBP
$1,133 USD
View
Most Expensive
B
Brilliant Earth
18442139A · Oct 28
£1,164 GBP
$1,560 USD
View
19 more retailers have this diamond
Prices start from £168 GBPSave up to £996 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
£168 GBP