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 €7,737 EUR
HK$67,800 HKD
As of November 1, 2026
Save €21,112 EUR (73%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €28,850 EUR at With Clarity · As of November 2, 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 12 retailers as of November 1, 2026, with prices from €7,737 to €28,850, a €21,112 spread on the same certified stone. With Clarity lists it at €28,850. 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
Colour
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: Nov 1
Current: €11,878 EUR|Low: €7,737 EUR|High: €28,850 EUR|Avg: €15,166 EUR|+0.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
With Clarity
November 2, 2026
Retailer 9€7,737 EUR
Retailer 7€8,803 EUR
Retailer 3€8,898 EUR
Retailer 10€11,145 EUR
Retailer 1€11,878 EUR
Retailer 6€13,178 EUR
Retailer 4€14,006 EUR
Retailer 2€19,535 EUR
Retailer 5€20,202 EUR
Retailer 8€24,383 EUR
With Clarity€28,850 EUR

23 data points across 11 retailers

12 retailers€7,737 EUR to €28,850 EUR

A
Cheapest Retailer
-
€7,737 EUR
HK$67,800 HKD
A
Retailer 2
-
€8,803 EUR
$9,874 USD
View
A
Retailer 3
-
€8,898 EUR
£7,859 GBP
View
A
Retailer 4
-
€11,145 EUR
$12,500 USD
View
A
Retailer 5
-
€11,878 EUR
View
B+
Retailer 6
-
€13,178 EUR
$14,780 USD
View
B+
Retailer 7
-
€14,006 EUR
£12,369 GBP
View
B+
Retailer 8
-
€19,370 EUR
$21,725 USD
View
B+
Retailer 9
-
€19,535 EUR
$21,911 USD
View
B
Retailer 10
-
€20,202 EUR
A$34,859 AUD
View
B
Retailer 11
-
€24,383 EUR
$27,349 USD
View
Most Expensive
B
With Clarity
831644538 · Nov 2
€28,850 EUR
$32,358 USD
View
11 more retailers have this diamond
Prices start from €7,737 EURSave up to €21,112 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
€7,737 EUR