CaratHunter
Plans
Cushion|Lab Grown|IGI

3.10ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG831684278

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG831684278

Diamond specifications and retailer prices

From €2,023 EUR
As of November 4, 2026
Save €9,764 EUR (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €11,787 EUR at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 3.1ct lab-grown cushion diamond

This 3.1ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG831684278 or 831684278. Listed at 14 retailers as of November 3, 2026, with prices from €2,023 to €11,787, a €9,764 spread on the same certified stone. Brilliant Earth lists it at €11,787. 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

3.10
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831684278
Dimensions8.33 × 8.32 × 5.22 mm
L/W Ratio1.00
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
8.33 mm8.32 mm3.10 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831684278
Side View
Table 59.0%Crown 35.6°Girdle: MED-THKPavilion 33.7°Culet: NoneDepth 62.7%

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: Nov 4
Current: €11,787 EUR|Low: €2,023 EUR|High: €11,787 EUR|Avg: €4,446 EUR
Brilliant Earth
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
November 5, 2026
Retailer 3€2,023 EUR
Retailer 12€2,211 EUR
Retailer 13€2,241 EUR
Retailer 4€2,419 EUR
Retailer 8€2,488 EUR
Retailer 7€2,854 EUR
Retailer 9€3,253 EUR
Retailer 11€3,278 EUR
Retailer 6€3,976 EUR
Retailer 10€4,881 EUR
Retailer 14€5,408 EUR
Retailer 2€5,968 EUR
Retailer 5€7,005 EUR
Brilliant Earth€11,787 EUR

9 data points across 14 retailers

14 retailers€2,023 EUR to €11,787 EUR

A
Cheapest Retailer
-
€2,023 EUR
Final sale: no returns
A
Retailer 2
-
€2,211 EUR
View
A
Retailer 3
-
€2,241 EUR
View
A
Retailer 4
-
€2,419 EUR
View
A
Retailer 5
-
€2,488 EUR
View
A
Retailer 6
-
€2,854 EUR
View
A
Retailer 7
-
€3,253 EUR
View
A
Retailer 8
-
€3,278 EUR
View
B+
Retailer 9
-
€3,976 EUR
View
B+
Retailer 10
-
€4,881 EUR
View
B+
Retailer 11
-
€5,408 EUR
View
B+
Retailer 12
-
€5,968 EUR
View
B
Retailer 13
-
€7,005 EUR
View
Most Expensive
B
Brilliant Earth
22341166A · Nov 3
€11,787 EUR
$13,280 USD
View
13 more retailers have this diamond
Prices start from €2,023 EURSave up to €9,764 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
3.10ct Cushion
€2,023 EUR