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Round|Lab Grown|IGI

4.06ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG737578757

Shape and cutting style on the report: Round brilliant

Certificate IGI LG737578757

Diamond specifications and retailer prices

From $1,741 USD
As of November 4, 2026
Save $11,089 USD (86%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: $12,830 USD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 4.06ct lab-grown round diamond

This 4.06ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG737578757 or 737578757. Listed at 29 retailers as of November 4, 2026, with prices from $1,741 to $12,830, a $11,089 spread on the same certified stone. Brilliant Earth lists it at $12,830. 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
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG737578757
Dimensions10.13 × 10.19 × 6.35 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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
10.13 mm10.19 mm4.06 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG737578757
Side View
Table 56.0%Crown 35.8°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A+
Exceptional
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 4
Current: $12,830 USD|Low: $1,741 USD|High: $12,840 USD|Avg: $5,579 USD|-0.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
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Retailer 11
Retailer 12
Retailer 13
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Retailer 17
Retailer 18
Retailer 19
November 5, 2026
Retailer 14$1,741 USD
Retailer 15$2,178 USD
Retailer 16$2,257 USD
Retailer 2$3,061 USD
Retailer 17$3,592 USD
Retailer 4$3,675 USD
Retailer 5$3,801 USD
Retailer 10$3,952 USD
Retailer 7$5,080 USD
Retailer 9$5,401 USD
Retailer 12$5,895 USD
Retailer 13$6,080 USD
Retailer 18$6,770 USD
Retailer 8$6,841 USD
Retailer 6$8,323 USD
Retailer 3$8,404 USD
Retailer 11$10,582 USD
Retailer 19$12,276 USD
Brilliant Earth$12,830 USD

33 data points across 19 retailers

29 retailers$1,741 USD to $12,830 USD

A+
Cheapest Retailer
-
$1,741 USD
Retailer 2
-
$2,174 USD
View
Price last confirmed 41 days ago
A
Retailer 3
-
$2,178 USD
View
Final sale: no returns
A
Retailer 4
-
$2,257 USD
View
Retailer 5
-
$2,365 USD
View
Price last confirmed 23 days ago
Retailer 6
-
$2,365 USD
View
Price last confirmed 30 days ago
Retailer 7
-
$2,487 USD
View
Price last confirmed 39 days ago
Retailer 8
-
$2,521 USD
View
Price last confirmed 34 days ago
Retailer 9
-
$2,534 USD
View
Price last confirmed 43 days ago
A
Retailer 10
-
$2,675 USD
View
A
Retailer 11
-
$3,059 USD
View
A
Retailer 12
-
$3,061 USD
View
Retailer 13
-
$3,466 USD
View
Price last confirmed 38 days ago
A
Retailer 14
-
$3,592 USD
View
A
Retailer 15
-
$3,675 USD
View
A
Retailer 16
-
$3,801 USD
View
A
Retailer 17
-
$3,952 USD
View
A
Retailer 18
-
$4,504 USD
View
A
Retailer 19
-
$5,080 USD
View
A
Retailer 20
-
$5,401 USD
View
A
Retailer 21
-
$5,895 USD
View
B+
Retailer 22
-
$6,080 USD
View
B+
Retailer 23
-
$6,770 USD
View
B+
Retailer 24
-
$6,841 USD
View
B+
Retailer 25
-
$8,323 USD
View
B+
Retailer 26
-
$8,404 USD
View
Retailer 27
-
$10,582 USD
View
Price last confirmed 31 days ago
B
Retailer 28
-
$12,276 USD
View
Most Expensive
B
Brilliant Earth
16122139A · Nov 4
$12,830 USD
View
28 more retailers have this diamond
Prices start from $1,741 USDSave up to $11,089 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
$1,741 USD