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Cushion|Lab Grown|IGI

3.10ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG828681233

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG828681233

Diamond specifications and retailer prices

From €2,555 EUR
HK$22,300 HKD
As of October 30, 2026
Save €9,305 EUR (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €11,860 EUR at Brilliant Earth · As of October 31, 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 LG828681233 or 828681233. Listed at 12 retailers as of October 30, 2026, with prices from €2,555 to €11,860, a €9,305 spread on the same certified stone. Brilliant Earth lists it at €11,860. 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
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828681233
Dimensions9.70 × 7.84 × 5.15 mm
L/W Ratio1.24
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
9.70 mm7.84 mm3.10 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828681233
Side View
Table 62.0%Crown 36°Girdle: MED-STKPavilion 36.7°Culet: NoneDepth 65.7%

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 30
Current: €11,860 EUR|Low: €2,555 EUR|High: €11,869 EUR|Avg: €5,931 EUR|-0.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 10€2,555 EUR
Retailer 2€2,885 EUR
Retailer 6€2,952 EUR
Retailer 4€3,305 EUR
Retailer 5€3,342 EUR
Retailer 11€4,870 EUR
Retailer 7€5,650 EUR
Retailer 3€5,738 EUR
Retailer 12€5,978 EUR
Retailer 9€7,338 EUR
Retailer 8€8,113 EUR
Brilliant Earth€11,860 EUR

22 data points across 12 retailers

12 retailers€2,555 EUR to €11,860 EUR

A
Cheapest Retailer
-
€2,555 EUR
HK$22,300 HKD
A
Retailer 2
-
€2,885 EUR
£2,538 GBP
View
A
Retailer 3
-
€2,952 EUR
$3,298 USD
View
A
Retailer 4
-
€3,305 EUR
$3,692 USD
View
A
Retailer 5
-
€3,342 EUR
View
B+
Retailer 6
-
€4,870 EUR
ZAR 87,891 ZAR
View
B+
Retailer 7
-
€5,650 EUR
$6,312 USD
View
B+
Retailer 8
-
€5,738 EUR
$6,411 USD
View
B+
Retailer 9
-
€5,978 EUR
£5,259 GBP
View
B+
Retailer 10
-
€7,338 EUR
$8,198 USD
View
B
Retailer 11
-
€8,113 EUR
$9,064 USD
View
Most Expensive
B
Brilliant Earth
21765376A · Oct 31
€11,860 EUR
$13,250 USD
View
11 more retailers have this diamond
Prices start from €2,555 EURSave up to €9,305 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
€2,555 EUR