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Cushion|Lab Grown|IGI

4.99ct D FL Cushion Lab Grown Diamond

VG • D/FL • IGI LG816625863

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG816625863

Diamond specifications and retailer prices

From €6,430 EUR
$7,184 USD
As of October 31, 2026
Save €6,557 EUR (50%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €12,988 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.99ct lab-grown cushion diamond

This 4.99ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG816625863 or 816625863. Listed at 6 retailers as of October 31, 2026, with prices from €6,430 to €12,988, a €6,557 spread on the same certified stone. Brilliant Earth lists it at €12,988. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.99
Carat
D
Color
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816625863
Dimensions11.03 × 9.04 × 6.30 mm
L/W Ratio1.22
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
11.03 mm9.04 mm4.99 ctD / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816625863
Side View
Table 56.0%Crown 35.5°Girdle: THK-VTKPavilion 36°Culet: NoneDepth 69.7%

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: €12,988 EUR|Low: €6,430 EUR|High: €32,681 EUR|Avg: €15,100 EUR|-47.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 5€6,430 EUR
Retailer 3€7,956 EUR
Retailer 6€8,629 EUR
Retailer 4€9,861 EUR
Retailer 2€11,562 EUR
Brilliant Earth€12,988 EUR
Retailer 8€16,838 EUR
Retailer 7€32,681 EUR

24 data points across 8 retailers

6 retailers€6,430 EUR to €12,988 EUR

A
Cheapest Retailer
-
€6,430 EUR
$7,184 USD
A
Retailer 2
-
€7,956 EUR
$8,888 USD
View
Retailer 3
-
€8,629 EUR
$9,640 USD
View
Price last confirmed 62 days ago
B+
Retailer 4
-
€9,861 EUR
View
B+
Retailer 5
-
€11,562 EUR
£10,171 GBP
View
Most Expensive
B+
Brilliant Earth
21013953Y · Oct 31
€12,988 EUR
$14,510 USD
View
5 more retailers have this diamond
Prices start from €6,430 EURSave up to €6,557 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
4.99ct Cushion
€6,430 EUR