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Round|Lab Grown|IGI

2.58ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG591331395

Shape and cutting style on the report: Round brilliant

Certificate IGI LG591331395

Diamond specifications and retailer prices

From $660 USD
As of November 1, 2026
Save $6,590 USD (91%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $7,250 USD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 2.58ct lab-grown round diamond

This 2.58ct 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 LG591331395 or 591331395. Listed at 22 retailers as of November 1, 2026, with prices from $660 to $7,250, a $6,590 spread on the same certified stone. Brilliant Earth lists it at $7,250. 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

2.58
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG591331395
Dimensions8.81 × 8.83 × 5.38 mm
L/W Ratio1.00
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
8.81 mm8.83 mm2.58 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG591331395
Side View
Table 59.0%Crown 33.8°Girdle: MediumPavilion 41°Culet: NoneDepth 61.1%

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: $7,250 USD|Low: $634 USD|High: $7,930 USD|Avg: $2,112 USD|-8.6%
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
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Retailer 18
November 3, 2026
Retailer 16$660 USD
Retailer 8$719 USD
Retailer 6$740 USD
Retailer 17$766 USD
Retailer 14$945 USD
Retailer 7$1,127 USD
Retailer 3$1,248 USD
Retailer 11$1,339 USD
Retailer 15$1,957 USD
Retailer 13$2,007 USD
Retailer 2$2,183 USD
Retailer 10$2,336 USD
Retailer 9$2,377 USD
Retailer 4$2,558 USD
Retailer 18$2,613 USD
Retailer 5$3,007 USD
Retailer 12$3,321 USD
Brilliant Earth$7,250 USD

42 data points across 18 retailers

22 retailers$660 USD to $7,250 USD

A
Cheapest Retailer
-
$660 USD
A
Retailer 2
-
$719 USD
View
A
Retailer 3
-
$740 USD
View
Final sale: no returns
A
Retailer 4
-
$766 USD
View
Retailer 5
-
$766 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
$945 USD
View
A
Retailer 7
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$1,127 USD
View
A
Retailer 8
-
$1,248 USD
View
A
Retailer 9
-
$1,339 USD
£1,054 GBP
View
A
Retailer 10
-
$1,488 USD
View
B+
Retailer 11
-
$1,957 USD
View
B+
Retailer 12
-
$2,007 USD
A$3,088 AUD
View
B+
Retailer 13
-
$2,183 USD
ZAR 35,274 ZAR
View
Retailer 14
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$2,336 USD
View
Price last confirmed 7 days ago
B+
Retailer 15
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$2,377 USD
View
B+
Retailer 16
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$2,558 USD
View
B+
Retailer 17
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$2,613 USD
View
B
Retailer 18
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$3,007 USD
View
B
Retailer 19
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$3,026 USD
View
B+
Retailer 20
-
$3,321 USD
£2,615 GBP
View
B
Retailer 21
-
$5,860 USD
View
Most Expensive
B
Brilliant Earth
18517519Y · Nov 2
$7,250 USD
View
21 more retailers have this diamond
Prices start from $660 USDSave up to $6,590 USD

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
2.58ct Round
$660 USD