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Round|Lab Grown|IGI

4.15ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG589309989

Shape and cutting style on the report: Round brilliant

Certificate IGI LG589309989

Diamond specifications and retailer prices

From $3,176 USD
As of October 29, 2026
Save $20,032 USD (86%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $23,208 USD at Mervis Diamond Importers · As of October 31, 2026
View at Mervis Diamond Importers

About this 4.15ct lab-grown round diamond

This 4.15ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG589309989 or 589309989. Listed at 24 retailers as of October 29, 2026, with prices from $3,176 to $23,208, a $20,032 spread on the same certified stone. Mervis Diamond Importers lists it at $23,208. 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

4.15
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG589309989
Dimensions10.26 × 10.23 × 6.38 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
10.26 mm10.23 mm4.15 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG589309989
Side View
Table 57.0%Crown 35.1°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.3%

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: Oct 29
Current: $23,208 USD|Low: $3,049 USD|High: $23,208 USD|Avg: $7,611 USD
Mervis Diamond Importers
Retailer 2
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Retailer 19
November 1, 2026
Retailer 19$3,176 USD
Retailer 8$3,456 USD
Retailer 10$3,556 USD
Retailer 3$3,684 USD
Retailer 7$3,707 USD
Retailer 18$3,840 USD
Retailer 9$5,082 USD
Retailer 17$5,186 USD
Retailer 12$5,414 USD
Retailer 5$5,722 USD
Retailer 16$7,180 USD
Retailer 14$8,655 USD
Retailer 15$8,758 USD
Retailer 2$8,785 USD
Retailer 4$9,248 USD
Retailer 6$11,540 USD
Retailer 13$11,660 USD
Retailer 11$11,755 USD
Mervis Diamond Importers$23,208 USD

44 data points across 19 retailers

24 retailers$3,176 USD to $23,208 USD

A
Cheapest Retailer
-
$3,176 USD
A
Retailer 2
-
$3,456 USD
View
A
Retailer 3
-
$3,485 USD
View
A
Retailer 4
-
$3,556 USD
View
Final sale: no returns
Retailer 5
-
$3,684 USD
View
Price last confirmed 19 days ago
A
Retailer 6
-
$3,684 USD
View
A
Retailer 7
-
$3,707 USD
View
A
Retailer 8
-
$3,840 USD
View
A
Retailer 9
-
$5,082 USD
View
A
Retailer 10
-
$5,186 USD
View
A
Retailer 11
-
$5,414 USD
£4,263 GBP
View
A
Retailer 12
-
$5,722 USD
View
Retailer 13
-
$7,180 USD
View
Price last confirmed 14 days ago
B+
Retailer 14
-
$8,655 USD
ZAR 139,819 ZAR
View
B+
Retailer 15
-
$8,758 USD
£6,896 GBP
View
Retailer 16
-
$8,785 USD
A$13,516 AUD
View
B+
Retailer 17
-
$9,248 USD
View
B+
Retailer 18
-
$10,143 USD
View
B
Retailer 19
-
$11,540 USD
View
B+
Retailer 20
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$11,660 USD
View
B
Retailer 21
-
$11,755 USD
View
B
Retailer 22
-
$14,310 USD
View
B
Retailer 23
-
$21,850 USD
View
Most Expensive
B
Mervis Diamond Importers
1985409117 · Oct 31
$23,208 USD
View
23 more retailers have this diamond
Prices start from $3,176 USDSave up to $20,032 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
4.15ct Round
$3,176 USD