Round|Lab Grown|IGI

4.56ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG784644737

Certificate IGI LG784644737

Diamond specifications and retailer prices

From $4,264 USD
Save $546 USD (11%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $27,950 USD at Brilliant Earth
View at Brilliant Earth

About this 4.56ct lab-grown round diamond

This 4.56ct 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 LG784644737 or 784644737. Listed at 12 retailers, with a relatively tight 13% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

4.56
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784644737
Dimensions10.57 × 10.66 × 6.57 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
10.57 mm10.66 mm4.56 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784644737
Side View
Table 57.0%Crown 34.8°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.8%

Caratlytics Score

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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: $27,950 USD|Low: $2,218 USD|High: $27,950 USD|Avg: $11,105 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
September 29, 2026
Retailer 17$3,056 USD
Retailer 14$3,106 USD
Retailer 15$3,645 USD
Retailer 11$4,264 USD
Retailer 16$4,479 USD
Retailer 2$4,810 USD
Retailer 12$5,535 USD
Retailer 5$7,122 USD
Retailer 8$7,513 USD
Retailer 13$8,999 USD
Retailer 4$10,457 USD
Retailer 7$13,777 USD
Retailer 6$16,974 USD
Retailer 10$16,995 USD
Retailer 18$19,080 USD
Retailer 3$19,359 USD
Retailer 9$20,733 USD
Brilliant Earth$27,950 USD

12 data points across 18 retailers

12 retailers$4,264 USD to $4,810 USD

A
Retailer 1
-
$3,056 USD
Price last confirmed 9 days ago
A
Retailer 2
-
$3,645 USD
View
Price last confirmed 9 days ago
A
Retailer 3
-
$4,264 USD
View
A
Retailer 4
-
$4,479 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$4,810 USD
View
A
Retailer 6
-
$5,535 USD
€5,271 EUR
View
Price last confirmed 7 days ago
A
Retailer 7
-
$7,122 USD
View
Price last confirmed 52 days ago
B+
Retailer 8
-
$8,999 USD
£7,086 GBP
View
Price last confirmed 9 days ago
B
Retailer 9
-
$16,974 USD
A$26,114 AUD
View
Price last confirmed 89 days ago
B
Retailer 10
-
$19,080 USD
View
Price last confirmed 8 days ago
B
Retailer 11
-
$19,359 USD
View
Price last confirmed 55 days ago
Most Expensive
B
Brilliant Earth
21013750Y · Sep 21
$27,950 USD
View
Price last confirmed 9 days ago
11 more retailers have this diamond
Prices start from $4,264 USDSave up to $546 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
4.56ct Round
$4,264 USD