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Round|Lab Grown|IGI

4.05ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG582385494

Shape and cutting style on the report: Round brilliant

Certificate IGI LG582385494

Diamond specifications and retailer prices

From $2,922 USD
As of November 3, 2026
Save $17,178 USD (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $20,100 USD at Do Amore Diamonds · As of November 5, 2026
View at Do Amore Diamonds

About this 4.05ct lab-grown round diamond

This 4.05ct 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 LG582385494 or 582385494. Listed at 22 retailers as of November 3, 2026, with prices from $2,922 to $20,100, a $17,178 spread on the same certified stone. Do Amore Diamonds lists it at $20,100. 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

4.05
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG582385494
Dimensions10.15 × 10.20 × 6.34 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
10.15 mm10.20 mm4.05 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG582385494
Side View
Table 57.0%Crown 34.9°Girdle: MediumPavilion 41.1°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
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 3
Current: $9,457 USD|Low: $2,805 USD|High: $41,484 USD|Avg: $7,103 USD|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
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Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 5, 2026
Retailer 18$2,922 USD
Retailer 8$3,179 USD
Retailer 6$3,273 USD
Retailer 2$3,390 USD
Retailer 16$3,390 USD
Retailer 7$3,490 USD
Retailer 9$4,675 USD
Retailer 17$4,870 USD
Retailer 11$4,910 USD
Retailer 4$5,271 USD
Retailer 12$7,987 USD
Retailer 14$8,043 USD
Retailer 3$8,545 USD
Retailer 1$9,457 USD
Retailer 5$10,584 USD
Retailer 10$10,773 USD
Retailer 15$11,970 USD
Retailer 13$41,484 USD

43 data points across 18 retailers

22 retailers$2,922 USD to $20,100 USD

A
Cheapest Retailer
-
$2,922 USD
A
Retailer 2
-
$3,179 USD
View
A
Retailer 3
-
$3,273 USD
View
Final sale: no returns
A
Retailer 4
-
$3,390 USD
View
A
Retailer 5
-
$3,390 USD
View
Retailer 6
-
$3,390 USD
View
Price last confirmed 24 days ago
A
Retailer 7
-
$3,490 USD
View
A
Retailer 8
-
$3,785 USD
View
B+
Retailer 9
-
$4,675 USD
View
B+
Retailer 10
-
$4,870 USD
View
B+
Retailer 11
-
$4,910 USD
View
B+
Retailer 12
-
$5,271 USD
View
B+
Retailer 13
-
$7,987 USD
View
B+
Retailer 14
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$8,043 USD
View
B
Retailer 15
-
$8,545 USD
View
B+
Retailer 16
-
$9,457 USD
View
B
Retailer 17
-
$10,584 USD
View
B
Retailer 18
-
$10,773 USD
View
B
Retailer 19
-
$11,970 USD
View
B
Retailer 20
-
$13,087 USD
View
Most Expensive
B
Do Amore Diamonds
27-3811936F9 · Nov 5
$20,100 USD
View
20 more retailers have this diamond
Prices start from $2,922 USDSave up to $17,178 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
4.05ct Round
$2,922 USD