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Cushion|Lab Grown|IGI

5.03ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG831644538

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG831644538

Diamond specifications and retailer prices

From €7,768 EUR
HK$67,800 HKD
As of October 31, 2026
Save €21,195 EUR (73%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €28,963 EUR at With Clarity · As of October 31, 2026
View at With Clarity

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 LG831644538 or 831644538. Listed at 11 retailers as of October 31, 2026, with prices from €7,768 to €28,963, a €21,195 spread on the same certified stone. With Clarity lists it at €28,963. 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 angle35.9°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831644538
Dimensions11.56 × 9.14 × 5.97 mm
L/W Ratio1.26
Girdle conditionFaceted
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
11.56 mm9.14 mm5.03 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831644538
Side View
Table 60.0%Crown 35.9°Girdle: THK-VTKPavilion 34.6°Culet: NoneDepth 65.3%

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 31
Current: €11,928 EUR|Low: €7,768 EUR|High: €28,963 EUR|Avg: €15,205 EUR|+0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
With Clarity
October 31, 2026
Retailer 7€7,768 EUR
Retailer 5€8,838 EUR
Retailer 2€9,008 EUR
Retailer 8€11,189 EUR
Retailer 1€11,928 EUR
Retailer 3€13,229 EUR
Retailer 4€14,136 EUR
Retailer 9€19,612 EUR
Retailer 6€24,479 EUR
With Clarity€28,963 EUR

21 data points across 10 retailers

11 retailers€7,768 EUR to €28,963 EUR

A
Cheapest Retailer
-
€7,768 EUR
HK$67,800 HKD
A
Retailer 2
-
€8,838 EUR
$9,874 USD
View
A
Retailer 3
-
€9,008 EUR
£7,924 GBP
View
A
Retailer 4
-
€11,189 EUR
$12,500 USD
View
A
Retailer 5
-
€11,928 EUR
View
B+
Retailer 6
-
€13,229 EUR
$14,780 USD
View
B+
Retailer 7
-
€14,136 EUR
£12,435 GBP
View
B+
Retailer 8
-
€19,446 EUR
$21,725 USD
View
B+
Retailer 9
-
€19,612 EUR
$21,911 USD
View
B
Retailer 10
-
€24,479 EUR
$27,349 USD
View
Most Expensive
B
With Clarity
831644538 · Oct 31
€28,963 EUR
$32,358 USD
View
10 more retailers have this diamond
Prices start from €7,768 EURSave up to €21,195 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
€7,768 EUR