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Round|Lab Grown|IGI

4.01ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG734539322

Certificate IGI LG734539322

Diamond specifications and retailer prices

From $1,944 USD
£1,531 GBP
Save $11,126 USD (85%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $13,070 USD at Brilliant Earth
View at Brilliant Earth

About this 4.01ct lab-grown round diamond

This 4.01ct 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 LG734539322 or 734539322. Listed at 26 retailers, with prices from $1,944 to $13,070 at Brilliant Earth, a $11,126 spread on the same certified stone. 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

4.01
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG734539322
Dimensions10.14 × 10.20 × 6.30 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
10.14 mm10.20 mm4.01 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG734539322
Side View
Table 55.0%Crown 34.9°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 1
Current: $13,070 USD|Low: $1,839 USD|High: $13,080 USD|Avg: $4,953 USD|-0.1%
Brilliant Earth
Retailer 2
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Retailer 26
October 1, 2026
Retailer 13$1,944 USD
Retailer 10$2,147 USD
Retailer 15$2,456 USD
Retailer 17$2,503 USD
Retailer 7$2,646 USD
Retailer 3$2,760 USD
Retailer 11$3,002 USD
Retailer 21$3,021 USD
Retailer 22$3,404 USD
Retailer 5$3,424 USD
Retailer 2$3,892 USD
Retailer 24$3,995 USD
Retailer 18$4,185 USD
Retailer 9$4,402 USD
Retailer 19$4,692 USD
Retailer 23$5,205 USD
Retailer 26$5,342 USD
Retailer 6$6,493 USD
Retailer 25$6,839 USD
Retailer 12$7,063 USD
Retailer 16$7,187 USD
Retailer 8$8,708 USD
Retailer 14$8,753 USD
Retailer 4$9,397 USD
Retailer 20$10,403 USD
Brilliant Earth$13,070 USD

35 data points across 26 retailers

26 retailers$1,944 USD to $13,070 USD

A+
Cheapest Retailer
-
$1,944 USD
£1,531 GBP
A
Retailer 2
-
$2,147 USD
View
A
Retailer 3
-
$2,456 USD
View
A
Retailer 4
-
$2,503 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$2,646 USD
View
Retailer 6
-
$2,760 USD
View
A
Retailer 7
-
$3,002 USD
View
A
Retailer 8
-
$3,021 USD
HK$23,600 HKD
View
A
Retailer 9
-
$3,411 USD
£2,686 GBP
View
A
Retailer 10
-
$3,424 USD
View
A
Retailer 11
-
$3,892 USD
€3,707 EUR
View
A
Retailer 12
-
$3,995 USD
View
A
Retailer 13
-
$4,185 USD
View
A
Retailer 14
-
$4,402 USD
View
A
Retailer 15
-
$4,692 USD
A$7,218 AUD
View
A
Retailer 16
-
$5,205 USD
ZAR 84,094 ZAR
View
A
Retailer 17
-
$5,342 USD
A$8,218 AUD
View
A
Retailer 18
-
$6,493 USD
View
A
Retailer 19
-
$6,839 USD
£5,385 GBP
View
B+
Retailer 20
-
$7,063 USD
View
B+
Retailer 21
-
$7,187 USD
View
B+
Retailer 22
-
$8,708 USD
View
B+
Retailer 23
-
$8,753 USD
SGD 11,829 SGD
View
B+
Retailer 24
-
$9,589 USD
View
B
Retailer 25
-
$10,403 USD
A$16,005 AUD
View
Most Expensive
B
Brilliant Earth
16122343A · Oct 1
$13,070 USD
View
25 more retailers have this diamond
Prices start from $1,944 USDSave up to $11,126 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.

A+
4.01ct Round
$1,944 USD