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Round|Lab Grown|IGI

4.18ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG679506702

Shape and cutting style on the report: Round brilliant

Certificate IGI LG679506702

Diamond specifications and retailer prices

From €1,499 EUR
£1,319 GBP
As of October 30, 2026
Save €5,271 EUR (78%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €6,770 EUR at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

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 IGI LG679506702 or 679506702. Listed at 18 retailers as of October 30, 2026, with prices from €1,499 to €6,770, a €5,271 spread on the same certified stone. Taylor and Hart lists it at €6,770. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG679506702
Dimensions10.23 × 10.30 × 6.39 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
10.23 mm10.30 mm4.18 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG679506702
Side View
Table 57.0%Crown 34.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
A+
Exceptional
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 30
Current: €1,813 EUR|Low: €1,499 EUR|High: €6,938 EUR|Avg: €3,175 EUR|-2.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Taylor and Hart
October 31, 2026
Retailer 11€1,499 EUR
Retailer 4€1,708 EUR
Retailer 1€1,813 EUR
Retailer 12€1,864 EUR
Retailer 6€1,981 EUR
Retailer 9€1,981 EUR
Retailer 15€2,130 EUR
Retailer 7€2,149 EUR
Retailer 13€2,713 EUR
Retailer 16€2,860 EUR
Retailer 3€3,253 EUR
Retailer 8€3,714 EUR
Retailer 5€4,155 EUR
Retailer 14€4,217 EUR
Retailer 2€4,251 EUR
Retailer 10€5,207 EUR
Retailer 17€5,666 EUR
Taylor and Hart€6,770 EUR

33 data points across 18 retailers

18 retailers€1,499 EUR to €6,770 EUR

A+
Cheapest Retailer
-
€1,499 EUR
£1,319 GBP
A
Retailer 2
-
€1,708 EUR
$1,908 USD
View
A
Retailer 3
-
€1,813 EUR
$2,025 USD
View
A
Retailer 4
-
€1,864 EUR
$2,083 USD
View
Final sale: no returns
A
Retailer 5
-
€1,981 EUR
$2,213 USD
View
Retailer 6
-
€1,981 EUR
$2,213 USD
View
Price last confirmed 19 days ago
A
Retailer 7
-
€2,130 EUR
$2,380 USD
View
A
Retailer 8
-
€2,149 EUR
$2,401 USD
View
A
Retailer 9
-
€2,713 EUR
£2,387 GBP
View
A
Retailer 10
-
€2,860 EUR
$3,195 USD
View
A
Retailer 11
-
€3,253 EUR
$3,634 USD
View
A
Retailer 12
-
€3,714 EUR
$4,149 USD
View
A
Retailer 13
-
€4,155 EUR
$4,642 USD
View
A
Retailer 14
-
€4,217 EUR
ZAR 76,110 ZAR
View
Retailer 15
-
€4,251 EUR
A$7,307 AUD
View
Price last confirmed 8 days ago
A
Retailer 16
-
€5,207 EUR
$5,817 USD
View
B+
Retailer 17
-
€5,666 EUR
£4,984 GBP
View
Most Expensive
B+
Taylor and Hart
8Y0X2RH · Oct 30
€6,770 EUR
$7,563 USD
View
17 more retailers have this diamond
Prices start from €1,499 EURSave up to €5,271 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
€1,499 EUR