Heart|Lab Grown|IGI

1.55ct E VVS1 Heart Lab Grown Diamond

VG • E/VVS1 • IGI LG812643723

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG812643723

Diamond specifications and retailer prices

From £201 GBP
$269 USD
As of October 30, 2026
Save £854 GBP (81%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,055 GBP at Reve Diamonds · As of October 30, 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 E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG812643723 or 812643723. Listed at 19 retailers as of October 30, 2026, with prices from £201 to £1,055, a £854 spread on the same certified stone. Reve Diamonds lists it at £1,055. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.55
Carat
E
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812643723
Dimensions6.60 × 7.86 × 4.86 mm
L/W Ratio1.19
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.60 mm7.86 mm1.55 ctE / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812643723
Side View
Table 65.0%Crown 39.4°Girdle: STK-THKPavilion 40.7°Culet: NoneDepth 61.8%

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: Oct 30
Current: £478 GBP|Low: £199 GBP|High: £1,084 GBP|Avg: £550 GBP|+8.6%
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Retailer 18
Reve Diamonds
October 30, 2026
Retailer 5£201 GBP
Retailer 3£225 GBP
Retailer 16£233 GBP
Retailer 8£249 GBP
Retailer 18£249 GBP
Retailer 9£303 GBP
Retailer 13£366 GBP
Retailer 11£428 GBP
Retailer 2£446 GBP
Retailer 1£478 GBP
Retailer 17£490 GBP
Retailer 12£579 GBP
Retailer 15£596 GBP
Retailer 7£774 GBP
Retailer 6£800 GBP
Retailer 4£838 GBP
Retailer 10£966 GBP
Retailer 14£999 GBP
Reve Diamonds£1,055 GBP

39 data points across 19 retailers

19 retailers£201 GBP to £1,055 GBP

A
Cheapest Retailer
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£201 GBP
$269 USD
A
Retailer 2
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£225 GBP
$301 USD
View
Final sale: no returns
A
Retailer 3
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£233 GBP
$312 USD
View
A
Retailer 4
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£249 GBP
$334 USD
View
A
Retailer 5
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£249 GBP
$334 USD
View
B+
Retailer 6
-
£303 GBP
$406 USD
View
A
Retailer 7
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£366 GBP
$490 USD
View
B+
Retailer 8
-
£428 GBP
ZAR 9,259 ZAR
View
B+
Retailer 9
-
£446 GBP
$597 USD
View
B+
Retailer 10
-
£478 GBP
View
B+
Retailer 11
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£490 GBP
$656 USD
View
B+
Retailer 12
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£579 GBP
A$1,193 AUD
View
B+
Retailer 13
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£596 GBP
$799 USD
View
B
Retailer 14
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£774 GBP
$1,037 USD
View
B
Retailer 15
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£800 GBP
$1,072 USD
View
B
Retailer 16
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£838 GBP
$1,123 USD
View
B
Retailer 17
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£966 GBP
$1,295 USD
View
B
Retailer 18
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£999 GBP
View
Most Expensive
B
Reve Diamonds
F18B77F94 · Oct 30
£1,055 GBP
$1,414 USD
View
18 more retailers have this diamond
Prices start from £201 GBPSave up to £854 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
£201 GBP