Round|Lab Grown|IGI

4.50ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG830618102

Certificate IGI LG830618102

Diamond specifications and retailer prices

From $4,640 USD
Save $15,244 USD (77%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $19,884 USD at With Clarity
View at With Clarity

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 LG830618102 or 830618102. Listed at 9 retailers, with prices from $4,640 to $19,884 at With Clarity, a $15,244 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 angle33.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830618102
Dimensions10.70 × 10.63 × 6.43 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
HEARTS & ARROWS 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
10.70 mm10.63 mm4.50 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830618102
Side View
Table 59.0%Crown 33.9°Girdle: MediumPavilion 40.8°CuletDepth 60.2%

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: $6,076 USD|Low: $4,640 USD|High: $19,884 USD|Avg: $9,228 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
With Clarity
October 1, 2026
Retailer 7$4,640 USD
Retailer 3$4,710 USD
Retailer 4$5,083 USD
Retailer 1$6,076 USD
Retailer 5$9,821 USD
Retailer 2$12,377 USD
Retailer 6$13,414 USD
With Clarity$19,884 USD

4 data points across 8 retailers

9 retailers$4,640 USD to $19,884 USD

B+
Cheapest Retailer
-
$4,640 USD
B+
Retailer 2
-
$4,710 USD
HK$36,800 HKD
View
B+
Retailer 3
-
$5,094 USD
£4,011 GBP
View
B+
Retailer 4
-
$6,076 USD
€5,787 EUR
View
B
Retailer 5
-
$9,000 USD
View
B
Retailer 6
-
$9,821 USD
£7,733 GBP
View
B
Retailer 7
-
$12,377 USD
A$19,041 AUD
View
C
Retailer 8
-
$13,414 USD
View
Most Expensive
C
With Clarity
830618102 · Sep 30
$19,884 USD
View
8 more retailers have this diamond
Prices start from $4,640 USDSave up to $15,244 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
$4,640 USD