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Round|Lab Grown|GIA

4.18ct D IF Round Lab Grown Diamond

EX • D/IF • GIA 1528600643

Certificate GIA 1528600643

Diamond specifications and retailer prices

From €4,404 EUR
$4,920 USD
As of October 29, 2026
Save €25,895 EUR (85%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €30,299 EUR at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 4.18ct lab-grown round diamond

This 4.18ct 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 GIA 1528600643. Listed at 8 retailers as of October 29, 2026, with prices from €4,404 to €30,299, a €25,895 spread on the same certified stone. Do Amore Diamonds lists it at €30,299. 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

4.18
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 1528600643
Dimensions10.37 × 10.32 × 6.39 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather
Top View
10.37 mm10.32 mm4.18 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1528600643
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: €30,299 EUR|Low: €4,404 EUR|High: €30,979 EUR|Avg: €14,455 EUR|-2.2%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 4€4,404 EUR
Retailer 6€4,615 EUR
Retailer 8€6,142 EUR
Retailer 5€6,693 EUR
Retailer 3€9,508 EUR
Retailer 9€11,467 EUR
Retailer 2€11,535 EUR
Retailer 7€20,999 EUR
Do Amore Diamonds€30,299 EUR

19 data points across 9 retailers

8 retailers€4,404 EUR to €30,299 EUR

A
Cheapest Retailer
-
€4,404 EUR
$4,920 USD
A
Retailer 2
-
€4,615 EUR
$5,156 USD
View
A
Retailer 3
-
€5,044 EUR
$5,635 USD
View
Final sale: no returns
B+
Retailer 4
-
€6,693 EUR
$7,478 USD
View
B+
Retailer 5
-
€9,508 EUR
View
B+
Retailer 6
-
€11,535 EUR
£10,147 GBP
View
B
Retailer 7
-
€20,999 EUR
$23,460 USD
View
Most Expensive
B
Do Amore Diamonds
27-91704D0D9 · Oct 30
€30,299 EUR
$33,850 USD
View
7 more retailers have this diamond
Prices start from €4,404 EURSave up to €25,895 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
4.18ct Round
€4,404 EUR