Round|Lab Grown|IGI

4.50ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG833644315

Certificate IGI LG833644315

Diamond specifications and retailer prices

From $4,015 USD
Save $23,565 USD (85%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $27,580 USD at Brilliant Earth
View at Brilliant Earth

About this 4.5ct lab-grown round diamond

This 4.5ct 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 LG833644315 or 833644315. Listed at 13 retailers, with prices from $4,015 to $27,580 at Brilliant Earth, a $23,565 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

4.50
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833644315
Dimensions10.51 × 10.56 × 6.55 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
10.51 mm10.56 mm4.50 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833644315
Side View
Table 56.0%Crown 34.6°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 1
Current: $27,580 USD|Low: $2,872 USD|High: $27,580 USD|Avg: $9,142 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
October 1, 2026
Retailer 8$4,015 USD
Retailer 7$4,315 USD
Retailer 4$4,877 USD
Retailer 10$5,550 USD
Retailer 9$5,855 USD
Retailer 3$6,000 USD
Retailer 2$6,584 USD
Retailer 12$8,692 USD
Retailer 13$9,012 USD
Retailer 6$9,017 USD
Retailer 5$10,857 USD
Retailer 11$14,122 USD
Brilliant Earth$27,580 USD

14 data points across 13 retailers

13 retailers$4,015 USD to $27,580 USD

B
Cheapest Retailer
-
$4,015 USD
B+
Retailer 2
-
$4,315 USD
View
B+
Retailer 3
-
$4,877 USD
HK$38,100 HKD
View
B+
Retailer 4
-
$5,562 USD
£4,380 GBP
View
B
Retailer 5
-
$5,855 USD
View
B
Retailer 6
-
$6,000 USD
View
B
Retailer 7
-
$6,584 USD
€6,270 EUR
View
C
Retailer 8
-
$8,692 USD
ZAR 140,415 ZAR
View
C
Retailer 9
-
$9,012 USD
A$13,864 AUD
View
C
Retailer 10
-
$9,017 USD
£7,100 GBP
View
C
Retailer 11
-
$10,857 USD
View
C
Retailer 12
-
$14,122 USD
SGD 19,084 SGD
View
Most Expensive
D
Brilliant Earth
21360248A · Oct 1
$27,580 USD
View
12 more retailers have this diamond
Prices start from $4,015 USDSave up to $23,565 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.

B+
4.50ct Round
$4,015 USD