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Heart|Lab Grown|IGI

1.55ct D VVS1 Heart Lab Grown Diamond

EX • D/VVS1 • IGI LG631464178

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG631464178

Diamond specifications and retailer prices

From €238 EUR
$266 USD
As of November 2, 2026
Save €2,195 EUR (90%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €2,433 EUR at Queensmith · As of October 27, 2026
View at Queensmith

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG631464178 or 631464178. Listed at 23 retailers as of October 27, 2026, with prices from €238 to €2,433, a €2,195 spread on the same certified stone. Queensmith lists it at €2,433. 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
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG631464178
Dimensions6.97 × 8.06 × 4.77 mm
L/W Ratio1.16
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
6.97 mm8.06 mm1.55 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG631464178
Side View
Table 62.0%Crown 35.1°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 59.2%

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 2
Current: €565 EUR|Low: €231 EUR|High: €1,826 EUR|Avg: €725 EUR|+3.2%
Retailer 1
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Retailer 21
November 2, 2026
Retailer 4€238 EUR
Retailer 7€266 EUR
Retailer 20€276 EUR
Retailer 3€295 EUR
Retailer 8€295 EUR
Retailer 9€398 EUR
Retailer 18€439 EUR
Retailer 12€509 EUR
Retailer 1€565 EUR
Retailer 16€575 EUR
Retailer 6€598 EUR
Retailer 2€636 EUR
Retailer 17€686 EUR
Retailer 21€749 EUR
Retailer 5€949 EUR
Retailer 13€994 EUR
Retailer 11€1,136 EUR
Retailer 19€1,185 EUR
Retailer 10€1,256 EUR
Retailer 15€1,485 EUR
Retailer 14€1,826 EUR

42 data points across 21 retailers

23 retailers€238 EUR to €2,433 EUR

A
Cheapest Retailer
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€238 EUR
$266 USD
A
Retailer 2
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€266 EUR
$297 USD
View
Final sale: no returns
A
Retailer 3
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€276 EUR
$308 USD
View
A
Retailer 4
-
€295 EUR
$330 USD
View
Retailer 5
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€295 EUR
$330 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
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€398 EUR
$445 USD
View
A
Retailer 7
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€439 EUR
$490 USD
View
A
Retailer 8
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€509 EUR
ZAR 9,182 ZAR
View
B+
Retailer 9
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€565 EUR
£497 GBP
View
B+
Retailer 10
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€575 EUR
A$988 AUD
View
B+
Retailer 11
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€598 EUR
$668 USD
View
B+
Retailer 12
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€636 EUR
$710 USD
View
B+
Retailer 13
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€686 EUR
A$1,179 AUD
View
B+
Retailer 14
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€749 EUR
$837 USD
View
B
Retailer 15
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€949 EUR
$1,060 USD
View
B
Retailer 16
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€956 EUR
$1,068 USD
View
B
Retailer 17
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€994 EUR
$1,111 USD
View
Retailer 18
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€1,136 EUR
$1,269 USD
View
Price last confirmed 7 days ago
B+
Retailer 19
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€1,185 EUR
£1,042 GBP
View
B
Retailer 20
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€1,256 EUR
$1,404 USD
View
B
Retailer 21
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€1,485 EUR
A$2,552 AUD
View
B
Retailer 22
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€1,826 EUR
$2,040 USD
View
Most Expensive
B
Queensmith
LG631464178 · Oct 27
€2,433 EUR
£2,140 GBP
View
22 more retailers have this diamond
Prices start from €238 EURSave up to €2,195 EUR

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
€238 EUR