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 $2,854 USD
HK$22,300 HKD
As of October 29, 2026
Save $10,406 USD (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $13,260 USD at Brilliant Earth · As of October 29, 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 29, 2026, with prices from $2,854 to $13,260, a $10,406 spread on the same certified stone. Brilliant Earth lists it at $13,260. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $13,260 USD|Low: $2,854 USD|High: $13,260 USD|Avg: $6,697 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 7$2,854 USD
Retailer 5$3,223 USD
Retailer 3$3,329 USD
Retailer 12$3,692 USD
Retailer 9$3,760 USD
Retailer 8$5,440 USD
Retailer 11$6,411 USD
Retailer 4$6,598 USD
Retailer 10$6,679 USD
Retailer 6$8,198 USD
Retailer 2$9,064 USD
Brilliant Earth$13,260 USD

20 data points across 12 retailers

12 retailers$2,854 USD to $13,260 USD

A
Cheapest Retailer
-
$2,854 USD
HK$22,300 HKD
A
Retailer 2
-
$3,223 USD
£2,538 GBP
View
A
Retailer 3
-
$3,329 USD
View
A
Retailer 4
-
$3,692 USD
View
A
Retailer 5
-
$3,760 USD
€3,581 EUR
View
B+
Retailer 6
-
$5,440 USD
ZAR 87,891 ZAR
View
B+
Retailer 7
-
$6,411 USD
View
B+
Retailer 8
-
$6,598 USD
View
B+
Retailer 9
-
$6,679 USD
£5,259 GBP
View
B+
Retailer 10
-
$8,198 USD
View
B
Retailer 11
-
$9,064 USD
View
Most Expensive
B
Brilliant Earth
21765376A · Oct 29
$13,260 USD
View
11 more retailers have this diamond
Prices start from $2,854 USDSave up to $10,406 USD

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
$2,854 USD