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Heart|Lab Grown|IGI

1.55ct D VS1 Heart Lab Grown Diamond

EX • D/VS1 • IGI LG631440811

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG631440811

Diamond specifications and retailer prices

From £282 GBP
As of November 6, 2026
Save £469 GBP (62%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,786 GBP at Do Amore Diamonds · As of October 28, 2026
View at Do Amore Diamonds

About this 1.55ct lab-grown heart diamond

This 1.55ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG631440811 or 631440811. Listed at 21 retailers as of November 6, 2026, with a 167% 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
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle43.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG631440811
Dimensions7.41 × 7.84 × 4.76 mm
L/W Ratio1.06
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.41 mm7.84 mm1.55 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG631440811
Side View
Table 60.0%Crown 36.1°Girdle: MED-THKPavilion 43.4°Culet: NoneDepth 60.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £1,786 GBP|Low: £191 GBP|High: £1,786 GBP|Avg: £652 GBP
Do Amore Diamonds
Retailer 2
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November 7, 2026
Retailer 9£201 GBP
Retailer 14£225 GBP
Retailer 7£233 GBP
Retailer 8£249 GBP
Retailer 10£249 GBP
Retailer 17£282 GBP
Retailer 18£306 GBP
Retailer 13£323 GBP
Retailer 5£366 GBP
Retailer 12£446 GBP
Retailer 3£465 GBP
Retailer 19£484 GBP
Retailer 21£645 GBP
Retailer 2£680 GBP
Retailer 16£751 GBP
Retailer 6£765 GBP
Retailer 15£806 GBP
Retailer 11£884 GBP
Retailer 20£1,103 GBP
Retailer 4£1,547 GBP
Do Amore Diamonds£1,786 GBP

35 data points across 21 retailers

21 retailers£282 GBP to £751 GBP

Retailer 1
-
£201 GBP
Price last confirmed 15 days ago
Retailer 2
-
£233 GBP
View
Price last confirmed 14 days ago
Retailer 3
-
£249 GBP
View
Price last confirmed 13 days ago
Retailer 4
-
£249 GBP
View
Price last confirmed 13 days ago
B+
Retailer 5
-
£282 GBP
View
A
Retailer 6
-
£323 GBP
View
Retailer 7
-
£366 GBP
View
Price last confirmed 10 days ago
Retailer 8
-
£446 GBP
View
Price last confirmed 12 days ago
Retailer 9
-
£465 GBP
View
Price last confirmed 15 days ago
Retailer 10
-
£484 GBP
View
Price last confirmed 11 days ago
Retailer 11
-
£645 GBP
View
Price last confirmed 13 days ago
B
Retailer 12
-
£680 GBP
View
B+
Retailer 13
-
£751 GBP
View
Retailer 14
-
£765 GBP
View
Price last confirmed 12 days ago
Retailer 15
-
£806 GBP
View
Price last confirmed 9 days ago
Retailer 16
-
£884 GBP
View
Price last confirmed 13 days ago
Retailer 17
-
£1,006 GBP
View
Price last confirmed 11 days ago
Retailer 18
-
£1,053 GBP
View
Price last confirmed 13 days ago
Retailer 19
-
£1,103 GBP
View
Price last confirmed 12 days ago
Retailer 20
-
£1,547 GBP
View
Price last confirmed 16 days ago
Most Expensive
Do Amore Diamonds
27-38B34335C · Oct 28
£1,786 GBP
$2,390 USD
View
Price last confirmed 10 days ago
20 more retailers have this diamond
Prices start from £282 GBPSave up to £469 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 Heart
£282 GBP