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Round|Lab Grown|IGI

1.55ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG807645112

Shape and cutting style on the report: Round brilliant

Certificate IGI LG807645112

Diamond specifications and retailer prices

From €296 EUR
$330 USD
As of October 26, 2026
Save €2,901 EUR (91%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €3,198 EUR at Brilliant Earth · As of October 28, 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG807645112 or 807645112. Listed at 20 retailers as of October 26, 2026, with prices from €296 to €3,198, a €2,901 spread on the same certified stone. Brilliant Earth lists it at €3,198. 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
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807645112
Dimensions7.40 × 7.37 × 4.56 mm
L/W Ratio1.00
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
7.40 mm7.37 mm1.55 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807645112
Side View
Table 58.0%Crown 35°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.8%

Caratlytics Score

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A+
Exceptional
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 26
Current: €3,198 EUR|Low: €296 EUR|High: €3,692 EUR|Avg: €790 EUR|-13.4%
Brilliant Earth
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 29, 2026
Retailer 11€296 EUR
Retailer 16€330 EUR
Retailer 7€341 EUR
Retailer 6€365 EUR
Retailer 8€367 EUR
Retailer 9€402 EUR
Retailer 12€470 EUR
Retailer 18€490 EUR
Retailer 4€503 EUR
Retailer 13€584 EUR
Retailer 14€597 EUR
Retailer 17€627 EUR
Retailer 3€647 EUR
Retailer 15€850 EUR
Retailer 10€1,077 EUR
Retailer 19€1,165 EUR
Retailer 5€1,172 EUR
Retailer 2€1,469 EUR
Brilliant Earth€3,198 EUR

16 data points across 19 retailers

20 retailers€296 EUR to €3,198 EUR

A+
Cheapest Retailer
-
€296 EUR
$330 USD
A
Retailer 2
-
€330 EUR
$367 USD
View
Final sale: no returns
A
Retailer 3
-
€341 EUR
$380 USD
View
A
Retailer 4
-
€365 EUR
$406 USD
View
A
Retailer 5
-
€367 EUR
$409 USD
View
A
Retailer 6
-
€402 EUR
HK$3,500 HKD
View
A
Retailer 7
-
€470 EUR
£412 GBP
View
A
Retailer 8
-
€490 EUR
$545 USD
View
A
Retailer 9
-
€503 EUR
$560 USD
View
A
Retailer 10
-
€584 EUR
View
A
Retailer 11
-
€597 EUR
$665 USD
View
A
Retailer 12
-
€627 EUR
ZAR 11,273 ZAR
View
A
Retailer 13
-
€647 EUR
£567 GBP
View
A
Retailer 14
-
€850 EUR
A$1,456 AUD
View
B+
Retailer 15
-
€1,077 EUR
$1,199 USD
View
B+
Retailer 16
-
€1,165 EUR
SGD 1,752 SGD
View
B+
Retailer 17
-
€1,172 EUR
$1,305 USD
View
B+
Retailer 18
-
€1,349 EUR
$1,502 USD
View
B+
Retailer 19
-
€1,469 EUR
£1,288 GBP
View
Most Expensive
B
Brilliant Earth
20090410A · Oct 28
€3,198 EUR
$3,560 USD
View
19 more retailers have this diamond
Prices start from €296 EURSave up to €2,901 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
€296 EUR