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Round|Lab Grown|IGI

1.51ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG806616973

Shape and cutting style on the report: Round brilliant

Certificate IGI LG806616973

Diamond specifications and retailer prices

From €359 EUR
As of November 3, 2026
Save €3,547 EUR (91%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €3,905 EUR at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.51ct lab-grown round diamond

This 1.51ct 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 LG806616973 or 806616973. Listed at 25 retailers as of November 3, 2026, with prices from €359 to €3,905, a €3,547 spread on the same certified stone. Brilliant Earth lists it at €3,905. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG806616973
Dimensions7.42 × 7.46 × 4.49 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.42 mm7.46 mm1.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG806616973
Side View
Table 59.0%Crown 32.9°Girdle: MediumPavilion 41°Culet: NoneDepth 60.3%

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 3
Current: €1,732 EUR|Low: €359 EUR|High: €1,977 EUR|Avg: €960 EUR|+2.0%
Retailer 1
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Retailer 23
November 5, 2026
Retailer 23€359 EUR
Retailer 16€401 EUR
Retailer 11€402 EUR
Retailer 3€445 EUR
Retailer 14€445 EUR
Retailer 15€500 EUR
Retailer 18€568 EUR
Retailer 22€577 EUR
Retailer 2€596 EUR
Retailer 5€659 EUR
Retailer 19€695 EUR
Retailer 12€721 EUR
Retailer 20€767 EUR
Retailer 6€880 EUR
Retailer 21€1,006 EUR
Retailer 17€1,037 EUR
Retailer 8€1,430 EUR
Retailer 10€1,440 EUR
Retailer 7€1,461 EUR
Retailer 4€1,637 EUR
Retailer 9€1,665 EUR
Retailer 1€1,732 EUR
Retailer 13€1,954 EUR

23 data points across 23 retailers

25 retailers€359 EUR to €3,905 EUR

A
Cheapest Retailer
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€359 EUR
A
Retailer 2
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€401 EUR
View
Final sale: no returns
A
Retailer 3
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€402 EUR
View
A
Retailer 4
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€445 EUR
View
Retailer 5
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€445 EUR
View
Price last confirmed 11 days ago
A
Retailer 6
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€500 EUR
View
A
Retailer 7
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€568 EUR
View
A
Retailer 8
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€577 EUR
View
A
Retailer 9
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€596 EUR
View
A
Retailer 10
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€659 EUR
View
A
Retailer 11
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€695 EUR
View
A
Retailer 12
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€721 EUR
View
A
Retailer 13
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€767 EUR
View
A
Retailer 14
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€880 EUR
View
B+
Retailer 15
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€1,006 EUR
View
B+
Retailer 16
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€1,037 EUR
View
B+
Retailer 17
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€1,430 EUR
View
B+
Retailer 18
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€1,440 EUR
View
B+
Retailer 19
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€1,461 EUR
View
B+
Retailer 20
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€1,578 EUR
View
B+
Retailer 21
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€1,637 EUR
View
B
Retailer 22
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€1,665 EUR
View
B
Retailer 23
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€1,732 EUR
View
B
Retailer 24
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€1,954 EUR
View
Most Expensive
B
Brilliant Earth
20205521A · Nov 4
€3,905 EUR
$4,400 USD
View
24 more retailers have this diamond
Prices start from €359 EURSave up to €3,547 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
1.51ct Round
€359 EUR