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Round|Lab Grown|IGI

4.03ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG628477526

Shape and cutting style on the report: Round brilliant

Certificate IGI LG628477526

Diamond specifications and retailer prices

From $2,887 USD
As of November 3, 2026
Save $9,790 USD (77%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $12,677 USD at With Clarity · As of November 5, 2026
View at With Clarity

About this 4.03ct lab-grown round diamond

This 4.03ct 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 LG628477526 or 628477526. Listed at 16 retailers as of November 3, 2026, with prices from $2,887 to $12,677, a $9,790 spread on the same certified stone. With Clarity lists it at $12,677. 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

4.03
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628477526
Dimensions10.38 × 10.29 × 6.18 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
10.38 mm10.29 mm4.03 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628477526
Side View
Table 59.0%Crown 33.2°Girdle: MediumPavilion 40.8°Culet: NoneDepth 59.9%

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: $8,464 USD|Low: $2,831 USD|High: $12,952 USD|Avg: $6,118 USD|-3.5%
Retailer 1
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
With Clarity
November 5, 2026
Retailer 13$2,887 USD
Retailer 3$3,141 USD
Retailer 2$3,378 USD
Retailer 6$3,493 USD
Retailer 11$4,370 USD
Retailer 9$4,416 USD
Retailer 14$4,603 USD
Retailer 4$4,975 USD
Retailer 8$5,433 USD
Retailer 7$5,655 USD
Retailer 10$7,173 USD
Retailer 1$8,464 USD
Retailer 5$8,971 USD
Retailer 12$10,810 USD
With Clarity$12,952 USD

36 data points across 15 retailers

16 retailers$2,887 USD to $12,677 USD

A
Cheapest Retailer
-
$2,887 USD
A
Retailer 2
-
$3,141 USD
View
A
Retailer 3
-
$3,378 USD
View
A
Retailer 4
-
$3,493 USD
View
Final sale: no returns
B+
Retailer 5
-
$4,370 USD
View
B+
Retailer 6
-
$4,416 USD
View
B+
Retailer 7
-
$4,603 USD
View
B+
Retailer 8
-
$4,975 USD
View
B+
Retailer 9
-
$5,433 USD
View
B+
Retailer 10
-
$5,655 USD
View
B+
Retailer 11
-
$7,173 USD
View
B+
Retailer 12
-
$8,174 USD
View
B+
Retailer 13
-
$8,464 USD
View
B+
Retailer 14
-
$8,971 USD
View
B
Retailer 15
-
$10,810 USD
View
Most Expensive
B
With Clarity
628477526 · Nov 5
$12,677 USD
View
15 more retailers have this diamond
Prices start from $2,887 USDSave up to $9,790 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
4.03ct Round
$2,887 USD