Round|Lab Grown|IGI

4.53ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG821640744

Certificate IGI LG821640744

Diamond specifications and retailer prices

From $3,524 USD
Save $24,246 USD (87%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $27,770 USD at Brilliant Earth
View at Brilliant Earth

About this 4.53ct lab-grown round diamond

This 4.53ct 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 LG821640744 or 821640744. Listed at 12 retailers, with prices from $3,524 to $27,770 at Brilliant Earth, a $24,246 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

4.53
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821640744
Dimensions10.58 × 10.64 × 6.50 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
10.58 mm10.64 mm4.53 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821640744
Side View
Table 58.0%Crown 35°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.3%

Caratlytics Score

How it works →
A
Excellent
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: Sep 30
Current: $27,770 USD|Low: $3,524 USD|High: $27,820 USD|Avg: $10,490 USD|-0.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 1, 2026
Retailer 9$3,524 USD
Retailer 6$4,412 USD
Retailer 3$4,670 USD
Retailer 10$4,813 USD
Retailer 7$5,116 USD
Retailer 2$6,092 USD
Retailer 8$9,882 USD
Retailer 11$10,165 USD
Retailer 5$12,462 USD
Retailer 4$13,504 USD
Retailer 12$14,712 USD
Brilliant Earth$27,770 USD

24 data points across 12 retailers

12 retailers$3,524 USD to $27,770 USD

A
Cheapest Retailer
-
$3,524 USD
A
Retailer 2
-
$4,412 USD
View
A
Retailer 3
-
$4,670 USD
View
A
Retailer 4
-
$4,813 USD
HK$37,600 HKD
View
A
Retailer 5
-
$5,128 USD
£4,037 GBP
View
A
Retailer 6
-
$6,092 USD
€5,802 EUR
View
B+
Retailer 7
-
$9,882 USD
£7,781 GBP
View
B+
Retailer 8
-
$10,165 USD
View
B+
Retailer 9
-
$12,462 USD
A$19,173 AUD
View
B+
Retailer 10
-
$13,504 USD
View
B
Retailer 11
-
$14,712 USD
View
Price last confirmed 19 days ago
Most Expensive
B
Brilliant Earth
21475909Y · Oct 1
$27,770 USD
View
11 more retailers have this diamond
Prices start from $3,524 USDSave up to $24,246 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
4.53ct Round
$3,524 USD