Cushion|Lab Grown|IGI

3.05ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG804664705

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

Certificate IGI LG804664705

Diamond specifications and retailer prices

From $2,273 USD
As of November 1, 2026
Save $6,487 USD (74%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $8,760 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.05ct lab-grown cushion diamond

This 3.05ct 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 LG804664705 or 804664705. Listed at 13 retailers as of October 31, 2026, with prices from $2,273 to $8,760, a $6,487 spread on the same certified stone. Brilliant Earth lists it at $8,760. 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

3.05
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804664705
Dimensions8.49 × 8.48 × 5.39 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
8.49 mm8.48 mm3.05 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804664705
Side View
Table 60.0%Crown 37.3°Girdle: MED-STKPavilion 37.1°Culet: NoneDepth 63.5%

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 1
Current: $8,760 USD|Low: $2,273 USD|High: $12,964 USD|Avg: $6,366 USD|-32.2%
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
November 1, 2026
Retailer 9$2,273 USD
Retailer 8$2,399 USD
Retailer 12$2,880 USD
Retailer 6$3,172 USD
Retailer 2$3,480 USD
Retailer 7$3,674 USD
Retailer 13$5,354 USD
Retailer 5$5,585 USD
Retailer 10$5,628 USD
Retailer 4$6,307 USD
Retailer 3$6,574 USD
Retailer 11$8,070 USD
Brilliant Earth$8,760 USD

37 data points across 13 retailers

13 retailers$2,273 USD to $8,760 USD

A
Cheapest Retailer
-
$2,273 USD
A
Retailer 2
-
$2,399 USD
View
A
Retailer 3
-
$2,880 USD
HK$22,500 HKD
View
A
Retailer 4
-
$3,172 USD
£2,497 GBP
View
A
Retailer 5
-
$3,480 USD
View
A
Retailer 6
-
$3,674 USD
€3,499 EUR
View
B+
Retailer 7
-
$5,354 USD
ZAR 86,494 ZAR
View
Retailer 8
-
$5,585 USD
View
Price last confirmed 13 days ago
B+
Retailer 9
-
$5,628 USD
View
B+
Retailer 10
-
$6,307 USD
View
B+
Retailer 11
-
$6,574 USD
£5,176 GBP
View
B
Retailer 12
-
$8,070 USD
View
Most Expensive
B
Brilliant Earth
20869509Y · Oct 31
$8,760 USD
View
12 more retailers have this diamond
Prices start from $2,273 USDSave up to $6,487 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
3.05ct Cushion
$2,273 USD