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Heart|Lab Grown|IGI

1.55ct G VS1 Heart Lab Grown Diamond

ID • G/VS1 • IGI LG529268259

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG529268259

Diamond specifications and retailer prices

From £221 GBP
As of November 4, 2026
Save £897 GBP (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,119 GBP at Reve Diamonds · As of November 4, 2026
View at Reve 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG529268259 or 529268259. Listed at 20 retailers as of November 4, 2026, with prices from £221 to £1,119, a £897 spread on the same certified stone. Reve Diamonds lists it at £1,119. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG529268259
Dimensions7.99 × 7.40 × 4.76 mm
L/W Ratio1.08
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
7.99 mm7.40 mm1.55 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG529268259
Side View
Table 58.0%Crown 32.2°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 59.6%

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 4
Current: £481 GBP|Low: £212 GBP|High: £1,135 GBP|Avg: £591 GBP|+6.4%
Retailer 1
Retailer 2
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Retailer 18
Reve Diamonds
November 5, 2026
Retailer 17£221 GBP
Retailer 9£247 GBP
Retailer 5£257 GBP
Retailer 6£274 GBP
Retailer 18£274 GBP
Retailer 14£390 GBP
Retailer 7£393 GBP
Retailer 4£449 GBP
Retailer 8£468 GBP
Retailer 12£473 GBP
Retailer 1£481 GBP
Retailer 11£643 GBP
Retailer 15£840 GBP
Retailer 16£843 GBP
Retailer 3£882 GBP
Retailer 10£918 GBP
Retailer 2£1,055 GBP
Retailer 13£1,099 GBP
Reve Diamonds£1,119 GBP

45 data points across 19 retailers

20 retailers£221 GBP to £1,119 GBP

A
Cheapest Retailer
-
£221 GBP
A
Retailer 2
-
£247 GBP
View
Final sale: no returns
A
Retailer 3
-
£257 GBP
View
A
Retailer 4
-
£274 GBP
View
Retailer 5
-
£274 GBP
View
Price last confirmed 11 days ago
A
Retailer 6
-
£390 GBP
View
A
Retailer 7
-
£393 GBP
View
B+
Retailer 8
-
£449 GBP
View
B+
Retailer 9
-
£468 GBP
View
B+
Retailer 10
-
£473 GBP
View
B+
Retailer 11
-
£481 GBP
View
B+
Retailer 12
-
£643 GBP
View
B+
Retailer 13
-
£684 GBP
View
B
Retailer 14
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£840 GBP
View
B
Retailer 15
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£843 GBP
View
B
Retailer 16
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£882 GBP
View
B
Retailer 17
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£918 GBP
View
B
Retailer 18
-
£1,055 GBP
View
B
Retailer 19
-
£1,099 GBP
View
Most Expensive
B
Reve Diamonds
F367C4942 · Nov 4
£1,119 GBP
$1,506 USD
View
19 more retailers have this diamond
Prices start from £221 GBPSave up to £897 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
£221 GBP