Round|Lab Grown|IGI

1.51ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG813625480

Shape and cutting style on the report: Round brilliant

Certificate IGI LG813625480

Diamond specifications and retailer prices

From €300 EUR
$337 USD
As of November 1, 2026
Save €1,306 EUR (81%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €1,747 EUR at Rare Carat · As of October 21, 2026
View at Rare Carat

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 LG813625480 or 813625480. Listed at 23 retailers as of November 1, 2026, with a 435% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813625480
Dimensions7.37 × 7.41 × 4.51 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
7.37 mm7.41 mm1.51 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813625480
Side View
Table 59.0%Crown 32.8°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 61.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €1,747 EUR|Low: €300 EUR|High: €1,747 EUR|Avg: €832 EUR
Rare Carat
Retailer 2
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Retailer 22
November 2, 2026
Retailer 3€300 EUR
Retailer 9€349 EUR
Retailer 5€373 EUR
Retailer 12€373 EUR
Retailer 14€422 EUR
Retailer 4€499 EUR
Retailer 22€508 EUR
Retailer 13€529 EUR
Retailer 2€588 EUR
Retailer 6€601 EUR
Retailer 16€643 EUR
Retailer 17€667 EUR
Retailer 15€773 EUR
Retailer 20€866 EUR
Retailer 21€869 EUR
Retailer 7€1,199 EUR
Retailer 8€1,208 EUR
Retailer 11€1,238 EUR
Retailer 19€1,410 EUR
Retailer 18€1,495 EUR
Retailer 10€1,607 EUR
Rare Carat€1,747 EUR

28 data points across 22 retailers

23 retailers€300 EUR to €1,607 EUR

A
Cheapest Retailer
-
€300 EUR
$337 USD
A
Retailer 2
-
€349 EUR
$391 USD
View
A
Retailer 3
-
€373 EUR
$418 USD
View
Retailer 4
-
€373 EUR
$418 USD
View
Price last confirmed 8 days ago
A
Retailer 5
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€422 EUR
HK$3,700 HKD
View
A
Retailer 6
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€499 EUR
$560 USD
View
A
Retailer 7
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€508 EUR
$570 USD
View
A
Retailer 8
-
€529 EUR
£467 GBP
View
A
Retailer 9
-
€588 EUR
View
A
Retailer 10
-
€601 EUR
$674 USD
View
A
Retailer 11
-
€643 EUR
ZAR 11,654 ZAR
View
A
Retailer 12
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€667 EUR
£589 GBP
View
B+
Retailer 13
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€773 EUR
$867 USD
View
B+
Retailer 14
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€866 EUR
$971 USD
View
B+
Retailer 15
-
€869 EUR
A$1,500 AUD
View
B
Retailer 16
-
€1,199 EUR
$1,345 USD
View
B
Retailer 17
-
€1,208 EUR
SGD 1,831 SGD
View
B
Retailer 18
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€1,238 EUR
$1,388 USD
View
B
Retailer 19
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€1,340 EUR
$1,503 USD
View
B
Retailer 20
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€1,410 EUR
$1,581 USD
View
B
Retailer 21
-
€1,495 EUR
£1,320 GBP
View
B
Retailer 22
-
€1,607 EUR
$1,802 USD
View
Most Expensive
Rare Carat
AJ-00016309 · Oct 21
€1,747 EUR
$1,960 USD
View
Price last confirmed 12 days ago
22 more retailers have this diamond
Prices start from €300 EURSave up to €1,306 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
€300 EUR