Cushion|Lab Grown|IGI

3.08ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG804664718

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG804664718

Diamond specifications and retailer prices

From $2,293 USD
As of October 30, 2026
Save $8,126 USD (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $10,419 USD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 3.08ct lab-grown cushion diamond

This 3.08ct 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 LG804664718 or 804664718. Listed at 12 retailers as of October 30, 2026, with prices from $2,293 to $10,419, a $8,126 spread on the same certified stone. Blue Nile lists it at $10,419. 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

3.08
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.2°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804664718
Dimensions9.60 × 7.97 × 5.09 mm
L/W Ratio1.20
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
9.60 mm7.97 mm3.08 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804664718
Side View
Table 61.0%Crown 38.2°Girdle: MED-STKPavilion 35.8°Culet: NoneDepth 63.9%

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 30
Current: $10,419 USD|Low: $2,293 USD|High: $24,149 USD|Avg: $7,218 USD|-56.9%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 6$2,293 USD
Retailer 5$2,442 USD
Retailer 9$2,906 USD
Retailer 2$3,203 USD
Retailer 3$3,670 USD
Retailer 10$3,735 USD
Retailer 4$5,640 USD
Retailer 12$6,369 USD
Retailer 11$6,637 USD
Retailer 8$8,147 USD
Retailer 7$8,850 USD
Blue Nile$10,419 USD

44 data points across 12 retailers

12 retailers$2,293 USD to $10,419 USD

A
Cheapest Retailer
-
$2,293 USD
A
Retailer 2
-
$2,442 USD
View
A
Retailer 3
-
$2,906 USD
HK$22,700 HKD
View
A
Retailer 4
-
$3,203 USD
£2,522 GBP
View
A
Retailer 5
-
$3,670 USD
View
A
Retailer 6
-
$3,735 USD
€3,557 EUR
View
Retailer 7
-
$5,640 USD
View
Price last confirmed 10 days ago
B+
Retailer 8
-
$6,369 USD
View
B+
Retailer 9
-
$6,637 USD
£5,226 GBP
View
B+
Retailer 10
-
$8,147 USD
View
B+
Retailer 11
-
$8,850 USD
View
Most Expensive
B
Blue Nile
29978569 · Oct 31
$10,419 USD
View
11 more retailers have this diamond
Prices start from $2,293 USDSave up to $8,126 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
3.08ct Cushion
$2,293 USD