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Round|Lab Grown|IGI

4.26ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG760565956

Shape and cutting style on the report: Round brilliant

Certificate IGI LG760565956

Diamond specifications and retailer prices

From €1,917 EUR
$2,142 USD
As of October 31, 2026
Save €16,772 EUR (90%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €18,689 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.26ct lab-grown round diamond

This 4.26ct 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 LG760565956 or 760565956. Listed at 23 retailers as of October 31, 2026, with prices from €1,917 to €18,689, a €16,772 spread on the same certified stone. Brilliant Earth lists it at €18,689. 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

4.26
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG760565956
Dimensions10.36 × 10.39 × 6.44 mm
L/W Ratio1.00
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
10.36 mm10.39 mm4.26 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG760565956
Side View
Table 57.0%Crown 34.4°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.1%

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 31
Current: €18,689 EUR|Low: €1,917 EUR|High: €18,689 EUR|Avg: €5,072 EUR
Brilliant Earth
Retailer 2
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Retailer 20
November 1, 2026
Retailer 7€1,917 EUR
Retailer 13€2,135 EUR
Retailer 16€2,240 EUR
Retailer 12€2,622 EUR
Retailer 4€2,790 EUR
Retailer 2€2,980 EUR
Retailer 20€3,261 EUR
Retailer 17€3,316 EUR
Retailer 3€3,474 EUR
Retailer 14€4,666 EUR
Retailer 18€4,704 EUR
Retailer 10€5,038 EUR
Retailer 9€5,147 EUR
Retailer 19€5,487 EUR
Retailer 6€5,616 EUR
Retailer 15€5,979 EUR
Retailer 11€7,665 EUR
Retailer 8€10,215 EUR
Retailer 5€11,779 EUR
Brilliant Earth€18,689 EUR

35 data points across 20 retailers

23 retailers€1,917 EUR to €18,689 EUR

A
Cheapest Retailer
-
€1,917 EUR
$2,142 USD
Final sale: no returns
A
Retailer 2
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€2,017 EUR
$2,253 USD
View
Retailer 3
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€2,091 EUR
$2,336 USD
View
Price last confirmed 39 days ago
A
Retailer 4
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€2,135 EUR
$2,385 USD
View
Retailer 5
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€2,275 EUR
$2,542 USD
View
Price last confirmed 38 days ago
Retailer 6
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€2,393 EUR
$2,673 USD
View
Price last confirmed 34 days ago
A
Retailer 7
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€2,790 EUR
$3,117 USD
View
A
Retailer 8
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€2,980 EUR
£2,621 GBP
View
A
Retailer 9
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€3,261 EUR
$3,643 USD
View
A
Retailer 10
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€3,316 EUR
View
Retailer 11
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€3,334 EUR
$3,725 USD
View
Price last confirmed 34 days ago
A
Retailer 12
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€3,474 EUR
$3,881 USD
View
A
Retailer 13
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€4,666 EUR
ZAR 84,214 ZAR
View
Retailer 14
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€4,704 EUR
A$8,085 AUD
View
Price last confirmed 9 days ago
A
Retailer 15
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€5,038 EUR
$5,629 USD
View
A
Retailer 16
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€5,147 EUR
$5,750 USD
View
Retailer 17
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€5,487 EUR
$6,130 USD
View
Price last confirmed 11 days ago
A
Retailer 18
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€5,616 EUR
$6,274 USD
View
B+
Retailer 19
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€5,979 EUR
£5,260 GBP
View
B+
Retailer 20
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€7,665 EUR
$8,564 USD
View
B+
Retailer 21
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€10,215 EUR
$11,412 USD
View
B+
Retailer 22
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€11,779 EUR
$13,160 USD
View
Most Expensive
B
Brilliant Earth
21804957A · Oct 31
€18,689 EUR
$20,880 USD
View
22 more retailers have this diamond
Prices start from €1,917 EURSave up to €16,772 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
4.26ct Round
€1,917 EUR