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Round|Lab Grown|IGI

2.51ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG588370471

Shape and cutting style on the report: Round brilliant

Certificate IGI LG588370471

Diamond specifications and retailer prices

From €573 EUR
$643 USD
As of November 1, 2026
Save €5,793 EUR (91%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €6,366 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 2.51ct lab-grown round diamond

This 2.51ct lab-grown round sits in the two to three carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG588370471 or 588370471. Listed at 23 retailers as of October 31, 2026, with prices from €573 to €6,366, a €5,793 spread on the same certified stone. Brilliant Earth lists it at €6,366. 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

2.51
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG588370471
Dimensions8.67 × 8.72 × 5.40 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS 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
8.67 mm8.72 mm2.51 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG588370471
Side View
Table 57.0%Crown 35.4°Girdle: MediumPavilion 41°Culet: NoneDepth 62.1%

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: €6,366 EUR|Low: €550 EUR|High: €6,714 EUR|Avg: €1,840 EUR|-5.2%
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
November 2, 2026
Retailer 14€573 EUR
Retailer 5€665 EUR
Retailer 15€665 EUR
Retailer 12€825 EUR
Retailer 8€939 EUR
Retailer 4€1,087 EUR
Retailer 2€1,163 EUR
Retailer 13€1,699 EUR
Retailer 9€1,743 EUR
Retailer 11€1,894 EUR
Retailer 6€2,226 EUR
Retailer 3€2,269 EUR
Retailer 7€2,541 EUR
Retailer 10€2,899 EUR
Brilliant Earth€6,366 EUR

38 data points across 15 retailers

23 retailers€573 EUR to €6,366 EUR

A
Cheapest Retailer
-
€573 EUR
$643 USD
A
Retailer 2
-
€624 EUR
$700 USD
View
A
Retailer 3
-
€642 EUR
$720 USD
View
Final sale: no returns
Retailer 4
-
€665 EUR
$746 USD
View
Price last confirmed 17 days ago
A
Retailer 5
-
€665 EUR
$746 USD
View
A
Retailer 6
-
€825 EUR
$925 USD
View
A
Retailer 7
-
€939 EUR
£829 GBP
View
A
Retailer 8
-
€985 EUR
$1,105 USD
View
A
Retailer 9
-
€1,087 EUR
$1,219 USD
View
A
Retailer 10
-
€1,163 EUR
£1,028 GBP
View
A
Retailer 11
-
€1,260 EUR
$1,413 USD
View
B+
Retailer 12
-
€1,699 EUR
$1,906 USD
View
B+
Retailer 13
-
€1,743 EUR
A$3,008 AUD
View
B+
Retailer 14
-
€1,894 EUR
ZAR 34,322 ZAR
View
B+
Retailer 15
-
€2,026 EUR
$2,273 USD
View
B+
Retailer 16
-
€2,064 EUR
$2,315 USD
View
B+
Retailer 17
-
€2,226 EUR
$2,497 USD
View
B+
Retailer 18
-
€2,269 EUR
$2,545 USD
View
B
Retailer 19
-
€2,541 EUR
$2,850 USD
View
B
Retailer 20
-
€2,629 EUR
$2,949 USD
View
B+
Retailer 21
-
€2,899 EUR
£2,560 GBP
View
B
Retailer 22
-
€5,091 EUR
$5,710 USD
View
Most Expensive
B
Brilliant Earth
18396432Y · Oct 31
€6,366 EUR
$7,140 USD
View
22 more retailers have this diamond
Prices start from €573 EURSave up to €5,793 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
2.51ct Round
€573 EUR