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Cushion|Lab Grown|IGI

5.03ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG633427879

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG633427879

Diamond specifications and retailer prices

From €4,584 EUR
$5,121 USD
As of October 30, 2026
Save €12,482 EUR (73%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €17,065 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 5.03ct lab-grown cushion diamond

This 5.03ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG633427879 or 633427879. Listed at 18 retailers as of October 30, 2026, with prices from €4,584 to €17,065, a €12,482 spread on the same certified stone. Taylor and Hart lists it at €17,065. 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

5.03
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG633427879
Dimensions9.78 × 9.78 × 6.35 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
9.78 mm9.78 mm5.03 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG633427879
Side View
Table 63.0%Crown 34.5°Girdle: THK-VTKPavilion 39.2°Culet: NoneDepth 64.9%

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: €7,771 EUR|Low: €4,368 EUR|High: €17,065 EUR|Avg: €8,228 EUR|+3.6%
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
Taylor and Hart
October 31, 2026
Retailer 5€4,584 EUR
Retailer 9€4,608 EUR
Retailer 8€4,717 EUR
Retailer 3€4,807 EUR
Retailer 11€6,201 EUR
Retailer 16€6,739 EUR
Retailer 7€7,268 EUR
Retailer 4€7,331 EUR
Retailer 1€7,771 EUR
Retailer 15€8,110 EUR
Retailer 2€8,477 EUR
Retailer 12€9,697 EUR
Retailer 6€9,779 EUR
Retailer 13€9,935 EUR
Retailer 10€12,880 EUR
Retailer 14€13,265 EUR
Taylor and Hart€17,065 EUR

37 data points across 17 retailers

18 retailers€4,584 EUR to €17,065 EUR

A
Cheapest Retailer
-
€4,584 EUR
$5,121 USD
A
Retailer 2
-
€4,608 EUR
$5,148 USD
View
Final sale: no returns
Retailer 3
-
€4,717 EUR
$5,270 USD
View
Price last confirmed 21 days ago
A
Retailer 4
-
€4,807 EUR
$5,370 USD
View
A
Retailer 5
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€6,201 EUR
£5,455 GBP
View
Retailer 6
-
€6,237 EUR
£5,487 GBP
View
Price last confirmed 20 days ago
A
Retailer 7
-
€6,739 EUR
£5,928 GBP
View
Retailer 8
-
€7,268 EUR
$8,120 USD
View
Price last confirmed 13 days ago
A
Retailer 9
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€7,331 EUR
$8,190 USD
View
A
Retailer 10
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€7,771 EUR
View
A
Retailer 11
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€8,110 EUR
$9,060 USD
View
A
Retailer 12
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€8,477 EUR
$9,470 USD
View
A
Retailer 13
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€9,697 EUR
ZAR 175,010 ZAR
View
Retailer 14
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€9,779 EUR
A$16,808 AUD
View
Price last confirmed 9 days ago
A
Retailer 15
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€9,935 EUR
£8,740 GBP
View
A
Retailer 16
-
€12,880 EUR
$14,390 USD
View
B+
Retailer 17
-
€13,265 EUR
$14,820 USD
View
Most Expensive
B+
Taylor and Hart
QRCH1TB · Oct 31
€17,065 EUR
$19,065 USD
View
17 more retailers have this diamond
Prices start from €4,584 EURSave up to €12,482 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
5.03ct Cushion
€4,584 EUR