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Round|Lab Grown|IGI

4.00ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG754507858

Certificate IGI LG754507858

Diamond specifications and retailer prices

From $2,354 USD
Save $10,606 USD (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $12,960 USD at Brilliant Earth
View at Brilliant Earth

About this 4ct lab-grown round diamond

This 4ct 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 LG754507858 or 754507858. Listed at 20 retailers, with prices from $2,354 to $12,960 at Brilliant Earth, a $10,606 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

4.00
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754507858
Dimensions10.14 × 10.21 × 6.24 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 mm10.21 mm4.00 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754507858
Side View
Table 57.0%Crown 34.8°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.4%

Caratlytics Score

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

Price History

Last verified: Sep 28
Current: $12,960 USD|Low: $2,354 USD|High: $23,150 USD|Avg: $7,072 USD|-44.0%
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
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Retailer 12
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Retailer 19
Retailer 20
October 1, 2026
Retailer 6$2,354 USD
Retailer 9$2,693 USD
Retailer 10$2,842 USD
Retailer 4$2,862 USD
Retailer 13$3,060 USD
Retailer 5$3,410 USD
Retailer 7$3,650 USD
Retailer 16$3,763 USD
Retailer 17$4,057 USD
Retailer 20$4,142 USD
Retailer 14$4,747 USD
Retailer 11$5,784 USD
Retailer 12$6,115 USD
Retailer 18$6,298 USD
Retailer 3$7,920 USD
Retailer 19$8,166 USD
Retailer 2$9,406 USD
Retailer 15$10,746 USD
Retailer 8$10,882 USD
Brilliant Earth$12,960 USD

37 data points across 20 retailers

20 retailers$2,354 USD to $12,960 USD

A
Cheapest Retailer
-
$2,354 USD
A
Retailer 2
-
$2,693 USD
View
A
Retailer 3
-
$2,842 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$2,862 USD
View
A
Retailer 5
-
$3,060 USD
View
A
Retailer 6
-
$3,410 USD
View
A
Retailer 7
-
$3,650 USD
View
A
Retailer 8
-
$3,763 USD
HK$29,400 HKD
View
A
Retailer 9
-
$4,066 USD
£3,201 GBP
View
A
Retailer 10
-
$4,142 USD
View
A
Retailer 11
-
$4,747 USD
€4,521 EUR
View
A
Retailer 12
-
$5,784 USD
A$8,898 AUD
View
A
Retailer 13
-
$6,115 USD
View
A
Retailer 14
-
$6,298 USD
ZAR 101,751 ZAR
View
B+
Retailer 15
-
$7,920 USD
View
B+
Retailer 16
-
$8,166 USD
£6,430 GBP
View
B+
Retailer 17
-
$9,406 USD
View
B+
Retailer 18
-
$10,746 USD
A$16,533 AUD
View
B+
Retailer 19
-
$10,882 USD
SGD 14,706 SGD
View
Most Expensive
B
Brilliant Earth
18668981Y · Oct 1
$12,960 USD
View
19 more retailers have this diamond
Prices start from $2,354 USDSave up to $10,606 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
4.00ct Round
$2,354 USD