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Heart|Lab Grown|IGI

1.55ct E IF Heart Lab Grown Diamond

VG • E/IF • IGI LG831688164

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG831688164

Diamond specifications and retailer prices

From €297 EUR
$332 USD
As of October 30, 2026
Save €1,049 EUR (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,346 EUR 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 IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG831688164 or 831688164. Listed at 15 retailers as of October 30, 2026, with prices from €297 to €1,346, a €1,049 spread on the same certified stone. Reve Diamonds lists it at €1,346. 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
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831688164
Dimensions7.29 × 7.99 × 4.62 mm
L/W Ratio1.10
Girdle conditionFaceted
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
7.29 mm7.99 mm1.55 ctE / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831688164
Side View
Table 58.0%Crown 33.9°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 57.8%

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: €340 EUR|Low: €297 EUR|High: €1,346 EUR|Avg: €801 EUR|+0.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Reve Diamonds
November 1, 2026
Retailer 2€297 EUR
Retailer 1€340 EUR
Retailer 10€443 EUR
Retailer 9€470 EUR
Retailer 8€538 EUR
Retailer 13€567 EUR
Retailer 7€585 EUR
Retailer 12€767 EUR
Retailer 4€951 EUR
Retailer 14€1,013 EUR
Retailer 6€1,056 EUR
Retailer 5€1,103 EUR
Retailer 3€1,158 EUR
Retailer 11€1,329 EUR
Reve Diamonds€1,346 EUR

12 data points across 15 retailers

15 retailers€297 EUR to €1,346 EUR

A
Cheapest Retailer
-
€297 EUR
$332 USD
Final sale: no returns
A
Retailer 2
-
€340 EUR
£299 GBP
View
A
Retailer 3
-
€443 EUR
$495 USD
View
A
Retailer 4
-
€470 EUR
$525 USD
View
A
Retailer 5
-
€538 EUR
View
A
Retailer 6
-
€567 EUR
ZAR 10,226 ZAR
View
A
Retailer 7
-
€585 EUR
£514 GBP
View
A
Retailer 8
-
€767 EUR
A$1,318 AUD
View
B+
Retailer 9
-
€951 EUR
$1,063 USD
View
B+
Retailer 10
-
€1,013 EUR
$1,132 USD
View
B+
Retailer 11
-
€1,056 EUR
SGD 1,595 SGD
View
B+
Retailer 12
-
€1,103 EUR
$1,232 USD
View
B+
Retailer 13
-
€1,158 EUR
$1,294 USD
View
B+
Retailer 14
-
€1,329 EUR
£1,169 GBP
View
Most Expensive
B
Reve Diamonds
F266ECD46 · Oct 30
€1,346 EUR
$1,503 USD
View
14 more retailers have this diamond
Prices start from €297 EURSave up to €1,049 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
€297 EUR