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Round|Lab Grown|IGI

4.06ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG589309988

Shape and cutting style on the report: Round brilliant

Certificate IGI LG589309988

Diamond specifications and retailer prices

From $2,929 USD
As of November 3, 2026
Save $17,221 USD (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $20,150 USD at Do Amore Diamonds · As of November 5, 2026
View at Do Amore Diamonds

About this 4.06ct lab-grown round diamond

This 4.06ct 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 LG589309988 or 589309988. Listed at 22 retailers as of November 3, 2026, with prices from $2,929 to $20,150, a $17,221 spread on the same certified stone. Do Amore Diamonds lists it at $20,150. 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

4.06
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG589309988
Dimensions10.18 × 10.21 × 6.31 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
10.18 mm10.21 mm4.06 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG589309988
Side View
Table 57.0%Crown 34.3°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
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 3
Current: $9,480 USD|Low: $2,812 USD|High: $41,688 USD|Avg: $7,303 USD|-0.3%
Retailer 1
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Retailer 18
November 5, 2026
Retailer 18$2,929 USD
Retailer 8$3,187 USD
Retailer 6$3,280 USD
Retailer 2$3,398 USD
Retailer 16$3,400 USD
Retailer 7$3,498 USD
Retailer 9$4,686 USD
Retailer 17$4,882 USD
Retailer 11$4,922 USD
Retailer 5$5,282 USD
Retailer 12$8,005 USD
Retailer 14$8,063 USD
Retailer 3$8,566 USD
Retailer 1$9,480 USD
Retailer 4$10,610 USD
Retailer 10$10,799 USD
Retailer 15$12,000 USD
Retailer 13$41,688 USD

44 data points across 18 retailers

22 retailers$2,929 USD to $20,150 USD

A
Cheapest Retailer
-
$2,929 USD
A
Retailer 2
-
$3,187 USD
View
A
Retailer 3
-
$3,280 USD
View
Final sale: no returns
Retailer 4
-
$3,398 USD
View
Price last confirmed 24 days ago
A
Retailer 5
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$3,398 USD
View
A
Retailer 6
-
$3,400 USD
View
A
Retailer 7
-
$3,498 USD
View
A
Retailer 8
-
$3,803 USD
View
B+
Retailer 9
-
$4,686 USD
View
B+
Retailer 10
-
$4,882 USD
View
B+
Retailer 11
-
$4,922 USD
View
B+
Retailer 12
-
$5,282 USD
View
B+
Retailer 13
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$8,005 USD
View
B
Retailer 14
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$8,063 USD
View
B
Retailer 15
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$8,566 USD
View
B+
Retailer 16
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$9,480 USD
View
B
Retailer 17
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$10,610 USD
View
B
Retailer 18
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$10,799 USD
View
B
Retailer 19
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$12,000 USD
View
B
Retailer 20
-
$13,119 USD
View
Most Expensive
B
Do Amore Diamonds
27-98B3B0CE7 · Nov 5
$20,150 USD
View
20 more retailers have this diamond
Prices start from $2,929 USDSave up to $17,221 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
4.06ct Round
$2,929 USD