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Round|Lab Grown|IGI

4.51ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG776691085

Shape and cutting style on the report: Round brilliant

Certificate IGI LG776691085

Diamond specifications and retailer prices

From €2,440 EUR
£2,146 GBP
As of November 1, 2026
Save €14,513 EUR (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €16,953 EUR at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 4.51ct lab-grown round diamond

This 4.51ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG776691085 or 776691085. Listed at 18 retailers as of November 1, 2026, with prices from €2,440 to €16,953, a €14,513 spread on the same certified stone. Do Amore Diamonds lists it at €16,953. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.51
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776691085
Dimensions10.73 × 10.67 × 6.42 mm
L/W Ratio1.01
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
10.73 mm10.67 mm4.51 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776691085
Side View
Table 58.0%Crown 32.9°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.0%

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 1
Current: €16,953 EUR|Low: €2,365 EUR|High: €16,953 EUR|Avg: €5,651 EUR
Do Amore Diamonds
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
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Retailer 17
November 1, 2026
Retailer 11€2,440 EUR
Retailer 3€2,463 EUR
Retailer 6€2,680 EUR
Retailer 7€2,858 EUR
Retailer 14€2,860 EUR
Retailer 8€3,818 EUR
Retailer 5€3,942 EUR
Retailer 17€4,106 EUR
Retailer 15€4,134 EUR
Retailer 12€4,246 EUR
Retailer 16€6,257 EUR
Retailer 13€6,714 EUR
Retailer 10€6,757 EUR
Retailer 4€7,179 EUR
Retailer 2€7,995 EUR
Retailer 9€10,985 EUR
Do Amore Diamonds€16,953 EUR

38 data points across 17 retailers

18 retailers€2,440 EUR to €16,953 EUR

A
Cheapest Retailer
-
€2,440 EUR
£2,146 GBP
A
Retailer 2
-
€2,463 EUR
$2,752 USD
View
A
Retailer 3
-
€2,680 EUR
$2,994 USD
View
A
Retailer 4
-
€2,858 EUR
$3,193 USD
View
Retailer 5
-
€2,858 EUR
$3,193 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
€2,860 EUR
$3,195 USD
View
A
Retailer 7
-
€3,818 EUR
$4,265 USD
View
A
Retailer 8
-
€3,942 EUR
$4,404 USD
View
A
Retailer 9
-
€4,106 EUR
$4,587 USD
View
A
Retailer 10
-
€4,134 EUR
$4,619 USD
View
A
Retailer 11
-
€4,246 EUR
£3,735 GBP
View
Retailer 12
-
€6,257 EUR
$6,990 USD
View
Price last confirmed 11 days ago
B+
Retailer 13
-
€6,714 EUR
ZAR 121,170 ZAR
View
B+
Retailer 14
-
€6,757 EUR
A$11,614 AUD
View
B+
Retailer 15
-
€7,179 EUR
$8,020 USD
View
B+
Retailer 16
-
€7,995 EUR
£7,033 GBP
View
B
Retailer 17
-
€10,985 EUR
$12,272 USD
View
Most Expensive
B
Do Amore Diamonds
27-E35A445EE · Nov 1
€16,953 EUR
$18,940 USD
View
17 more retailers have this diamond
Prices start from €2,440 EURSave up to €14,513 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
4.51ct Round
€2,440 EUR