Round|Lab Grown|IGI

4.13ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG821640848

Shape and cutting style on the report: Round brilliant

Certificate IGI LG821640848

Diamond specifications and retailer prices

From $2,187 USD
As of November 1, 2026
Save $4,651 USD (68%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $6,838 USD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 4.13ct lab-grown round diamond

This 4.13ct 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 LG821640848 or 821640848. Listed at 9 retailers as of October 31, 2026, with prices from $2,187 to $6,838, a $4,651 spread on the same certified stone. Taylor and Hart lists it at $6,838. 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

4.13
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821640848
Dimensions10.27 × 10.22 × 6.33 mm
L/W Ratio1.00
Girdle conditionFaceted
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
10.27 mm10.22 mm4.13 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821640848
Side View
Table 58.0%Crown 35.3°Girdle: MED-STKPavilion 40.8°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 1
Current: $2,729 USD|Low: $2,187 USD|High: $9,606 USD|Avg: $4,148 USD|-26.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Taylor and Hart
November 1, 2026
Retailer 6$2,187 USD
Retailer 8$2,342 USD
Retailer 1$2,729 USD
Retailer 3$2,785 USD
Retailer 2$3,018 USD
Retailer 5$4,075 USD
Retailer 4$5,573 USD
Retailer 7$6,262 USD
Taylor and Hart$6,838 USD

38 data points across 9 retailers

9 retailers$2,187 USD to $6,838 USD

A
Cheapest Retailer
-
$2,187 USD
Retailer 2
-
$2,342 USD
HK$18,300 HKD
View
Price last confirmed 41 days ago
A
Retailer 3
-
$2,729 USD
£2,148 GBP
View
A
Retailer 4
-
$2,785 USD
View
A
Retailer 5
-
$3,018 USD
€2,874 EUR
View
A
Retailer 6
-
$4,075 USD
View
A
Retailer 7
-
$5,573 USD
£4,388 GBP
View
Retailer 8
-
$6,262 USD
View
Price last confirmed 39 days ago
Most Expensive
B+
Taylor and Hart
N8Q06EA · Oct 31
$6,838 USD
View
8 more retailers have this diamond
Prices start from $2,187 USDSave up to $4,651 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
4.13ct Round
$2,187 USD