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Round|Lab Grown|IGI

1.55ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG815609356

Shape and cutting style on the report: Round brilliant

Certificate IGI LG815609356

Diamond specifications and retailer prices

From €308 EUR
$346 USD
As of November 1, 2026
Save €2,999 EUR (91%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €3,308 EUR at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.55ct lab-grown round diamond

This 1.55ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG815609356 or 815609356. Listed at 23 retailers as of November 1, 2026, with prices from €308 to €3,308, a €2,999 spread on the same certified stone. Brilliant Earth lists it at €3,308. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815609356
Dimensions7.47 × 7.49 × 4.51 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.47 mm7.49 mm1.55 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815609356
Side View
Table 58.0%Crown 33.5°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.2%

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 1
Current: €3,308 EUR|Low: €308 EUR|High: €3,308 EUR|Avg: €1,050 EUR
Brilliant Earth
Retailer 2
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Retailer 22
November 2, 2026
Retailer 14€308 EUR
Retailer 8€358 EUR
Retailer 3€382 EUR
Retailer 11€382 EUR
Retailer 6€422 EUR
Retailer 22€510 EUR
Retailer 21€517 EUR
Retailer 2€600 EUR
Retailer 4€611 EUR
Retailer 13€659 EUR
Retailer 16€679 EUR
Retailer 12€810 EUR
Retailer 19€887 EUR
Retailer 18€888 EUR
Retailer 5€1,228 EUR
Retailer 7€1,234 EUR
Retailer 10€1,266 EUR
Retailer 15€1,446 EUR
Retailer 17€1,492 EUR
Retailer 9€1,649 EUR
Retailer 20€1,752 EUR
Brilliant Earth€3,308 EUR

33 data points across 22 retailers

23 retailers€308 EUR to €3,308 EUR

A
Cheapest Retailer
-
€308 EUR
$346 USD
A
Retailer 2
-
€358 EUR
$401 USD
View
Retailer 3
-
€382 EUR
$428 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
€382 EUR
$428 USD
View
A
Retailer 5
-
€422 EUR
HK$3,700 HKD
View
A
Retailer 6
-
€510 EUR
$572 USD
View
A
Retailer 7
-
€517 EUR
$580 USD
View
A
Retailer 8
-
€600 EUR
View
A
Retailer 9
-
€611 EUR
$685 USD
View
A
Retailer 10
-
€659 EUR
ZAR 11,937 ZAR
View
A
Retailer 11
-
€679 EUR
£599 GBP
View
B+
Retailer 12
-
€810 EUR
$909 USD
View
B+
Retailer 13
-
€887 EUR
A$1,530 AUD
View
B+
Retailer 14
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€888 EUR
$996 USD
View
B+
Retailer 15
-
€1,228 EUR
$1,377 USD
View
B+
Retailer 16
-
€1,234 EUR
SGD 1,870 SGD
View
B+
Retailer 17
-
€1,266 EUR
$1,420 USD
View
B
Retailer 18
-
€1,376 EUR
$1,543 USD
View
B
Retailer 19
-
€1,446 EUR
$1,622 USD
View
B+
Retailer 20
-
€1,492 EUR
£1,318 GBP
View
B
Retailer 21
-
€1,649 EUR
$1,849 USD
View
B
Retailer 22
-
€1,752 EUR
$1,965 USD
View
Most Expensive
B
Brilliant Earth
20763193A · Nov 2
€3,308 EUR
$3,710 USD
View
22 more retailers have this diamond
Prices start from €308 EURSave up to €2,999 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 Round
€308 EUR