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Round|Lab Grown|IGI

1.51ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG674507997

Shape and cutting style on the report: Round brilliant

Certificate IGI LG674507997

Diamond specifications and retailer prices

From €343 EUR
$385 USD
As of November 1, 2026
Save €2,447 EUR (88%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €2,791 EUR at Brilliant Earth · As of November 2, 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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG674507997 or 674507997. Listed at 24 retailers as of November 1, 2026, with prices from €343 to €2,791, a €2,447 spread on the same certified stone. Brilliant Earth lists it at €2,791. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG674507997
Dimensions7.44 × 7.39 × 4.51 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
7.44 mm7.39 mm1.51 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG674507997
Side View
Table 56.0%Crown 34°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.8%

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: Nov 1
Current: €2,791 EUR|Low: €218 EUR|High: €2,791 EUR|Avg: €762 EUR|+1.3%
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
November 3, 2026
Retailer 11€218 EUR
Retailer 6€343 EUR
Retailer 19€357 EUR
Retailer 9€379 EUR
Retailer 13€541 EUR
Retailer 16€575 EUR
Retailer 7€603 EUR
Retailer 18€609 EUR
Retailer 3€613 EUR
Retailer 14€657 EUR
Retailer 2€683 EUR
Retailer 17€776 EUR
Retailer 8€879 EUR
Retailer 12€955 EUR
Retailer 5€1,263 EUR
Retailer 10€1,431 EUR
Retailer 4€1,476 EUR
Retailer 15€1,490 EUR
Brilliant Earth€2,791 EUR

27 data points across 19 retailers

24 retailers€343 EUR to €2,791 EUR

Retailer 1
-
€218 EUR
$245 USD
Price last confirmed 15 days ago
Retailer 2
-
€293 EUR
$329 USD
View
Price last confirmed 26 days ago
A
Retailer 3
-
€343 EUR
$385 USD
View
Final sale: no returns
Retailer 4
-
€354 EUR
$397 USD
View
Price last confirmed 24 days ago
A
Retailer 5
-
€357 EUR
$400 USD
View
Retailer 6
-
€379 EUR
$425 USD
View
Price last confirmed 31 days ago
Retailer 7
-
€379 EUR
$425 USD
View
Price last confirmed 8 days ago
A
Retailer 8
-
€541 EUR
£478 GBP
View
A
Retailer 9
-
€575 EUR
$645 USD
View
A
Retailer 10
-
€603 EUR
View
A
Retailer 11
-
€609 EUR
$683 USD
View
A
Retailer 12
-
€613 EUR
$688 USD
View
A
Retailer 13
-
€657 EUR
ZAR 11,913 ZAR
View
B+
Retailer 14
-
€683 EUR
£603 GBP
View
B+
Retailer 15
-
€776 EUR
$870 USD
View
B+
Retailer 16
-
€879 EUR
A$1,517 AUD
View
B+
Retailer 17
-
€955 EUR
$1,071 USD
View
Retailer 18
-
€1,217 EUR
$1,365 USD
View
Price last confirmed 26 days ago
B
Retailer 19
-
€1,263 EUR
$1,417 USD
View
B
Retailer 20
-
€1,431 EUR
$1,605 USD
View
B
Retailer 21
-
€1,476 EUR
$1,656 USD
View
B
Retailer 22
-
€1,490 EUR
£1,316 GBP
View
Retailer 23
-
€1,778 EUR
$1,994 USD
View
Price last confirmed 68 days ago
Most Expensive
B
Brilliant Earth
14081461A · Nov 2
€2,791 EUR
$3,130 USD
View
23 more retailers have this diamond
Prices start from €343 EURSave up to €2,447 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
€343 EUR