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Round|Lab Grown|IGI

4.07ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG729550873

Shape and cutting style on the report: Round brilliant

Certificate IGI LG729550873

Diamond specifications and retailer prices

From $2,398 USD
As of November 1, 2026
Save $7,122 USD (75%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $9,520 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.07ct lab-grown round diamond

This 4.07ct 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 LG729550873 or 729550873. Listed at 17 retailers as of October 31, 2026, with prices from $2,398 to $9,520, a $7,122 spread on the same certified stone. Brilliant Earth lists it at $9,520. 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

4.07
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729550873
Dimensions10.19 × 10.16 × 6.34 mm
L/W Ratio1.00
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
10.19 mm10.16 mm4.07 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729550873
Side View
Table 58.0%Crown 35.1°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.2%

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 1
Current: $9,520 USD|Low: $2,099 USD|High: $9,824 USD|Avg: $4,865 USD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 3$2,099 USD
Retailer 4$2,398 USD
Retailer 2$2,941 USD
Retailer 12$3,000 USD
Retailer 10$3,225 USD
Retailer 6$3,313 USD
Retailer 7$4,468 USD
Retailer 11$5,407 USD
Retailer 8$6,026 USD
Retailer 9$6,495 USD
Retailer 5$9,102 USD
Brilliant Earth$9,520 USD

44 data points across 12 retailers

17 retailers$2,398 USD to $9,520 USD

Retailer 1
-
$2,099 USD
Price last confirmed 19 days ago
A
Retailer 2
-
$2,398 USD
View
A
Retailer 3
-
$2,941 USD
£2,316 GBP
View
A
Retailer 4
-
$3,000 USD
View
A
Retailer 5
-
$3,225 USD
View
A
Retailer 6
-
$3,313 USD
€3,155 EUR
View
A
Retailer 7
-
$4,018 USD
View
A
Retailer 8
-
$4,468 USD
ZAR 72,176 ZAR
View
A
Retailer 9
-
$5,407 USD
View
A
Retailer 10
-
$5,656 USD
View
A
Retailer 11
-
$6,026 USD
£4,745 GBP
View
Retailer 12
-
$6,495 USD
View
Price last confirmed 14 days ago
B+
Retailer 13
-
$7,357 USD
View
B+
Retailer 14
-
$7,670 USD
View
B+
Retailer 15
-
$9,102 USD
A$14,003 AUD
View
Retailer 16
-
$9,520 USD
View
Price last confirmed 17 days ago
Most Expensive
B+
Brilliant Earth
16325741A · Oct 31
$9,520 USD
View
16 more retailers have this diamond
Prices start from $2,398 USDSave up to $7,122 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
4.07ct Round
$2,398 USD