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Round|Lab Grown|IGI

4.53ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG821640744

Shape and cutting style on the report: Round brilliant

Certificate IGI LG821640744

Diamond specifications and retailer prices

From €3,154 EUR
$3,524 USD
As of October 30, 2026
Save €9,619 EUR (75%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €12,773 EUR at Brilliant Earth · As of October 30, 2026
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 11 retailers as of October 30, 2026, with prices from €3,154 to €12,773, a €9,619 spread on the same certified stone. Brilliant Earth lists it at €12,773. 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

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €12,773 EUR|Low: €3,154 EUR|High: €24,857 EUR|Avg: €8,777 EUR|-48.6%
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 31, 2026
Retailer 10€3,154 EUR
Retailer 7€3,949 EUR
Retailer 11€4,308 EUR
Retailer 5€4,576 EUR
Retailer 9€5,214 EUR
Retailer 2€5,534 EUR
Retailer 6€8,787 EUR
Retailer 12€9,099 EUR
Retailer 8€11,181 EUR
Retailer 4€12,087 EUR
Brilliant Earth€12,773 EUR
Retailer 3€13,169 EUR

39 data points across 12 retailers

11 retailers€3,154 EUR to €12,773 EUR

A
Cheapest Retailer
-
€3,154 EUR
$3,524 USD
A
Retailer 2
-
€3,949 EUR
$4,412 USD
View
A
Retailer 3
-
€4,308 EUR
HK$37,600 HKD
View
A
Retailer 4
-
€4,576 EUR
£4,025 GBP
View
A
Retailer 5
-
€5,214 EUR
$5,825 USD
View
A
Retailer 6
-
€5,534 EUR
View
B+
Retailer 7
-
€8,787 EUR
£7,730 GBP
View
B+
Retailer 8
-
€9,099 EUR
$10,165 USD
View
Retailer 9
-
€11,181 EUR
A$19,217 AUD
View
Price last confirmed 22 days ago
B
Retailer 10
-
€12,087 EUR
$13,504 USD
View
Most Expensive
B
Brilliant Earth
21475909Y · Oct 30
€12,773 EUR
$14,270 USD
View
10 more retailers have this diamond
Prices start from €3,154 EURSave up to €9,619 EUR

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. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
4.53ct Round
€3,154 EUR