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Cushion|Lab Grown|IGI

3.05ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG768630683

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG768630683

Diamond specifications and retailer prices

From $2,159 USD
As of November 1, 2026
Save $7,545 USD (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $9,704 USD at Blue Nile · As of October 31, 2026
View at Blue Nile

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 LG768630683 or 768630683. Listed at 13 retailers as of October 31, 2026, with prices from $2,159 to $9,704, a $7,545 spread on the same certified stone. Blue Nile lists it at $9,704. 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 angle32.5°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768630683
Dimensions9.90 × 7.79 × 5.04 mm
L/W Ratio1.27
Girdle conditionFaceted
Culet sizePointed
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
9.90 mm7.79 mm3.05 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768630683
Side View
Table 60.0%Crown 32.5°Girdle: MED-THKPavilion 37.6°Culet: NoneDepth 64.7%

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 1
Current: $9,704 USD|Low: $2,159 USD|High: $21,562 USD|Avg: $6,492 USD|-55.0%
Blue Nile
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 1, 2026
Retailer 9$2,159 USD
Retailer 8$2,376 USD
Retailer 13$2,714 USD
Retailer 2$2,983 USD
Retailer 5$3,398 USD
Retailer 7$3,452 USD
Retailer 14$5,037 USD
Retailer 10$5,295 USD
Retailer 6$5,640 USD
Retailer 4$5,891 USD
Retailer 3$6,468 USD
Retailer 12$7,599 USD
Retailer 11$8,140 USD
Blue Nile$9,704 USD

36 data points across 14 retailers

13 retailers$2,159 USD to $9,704 USD

A
Cheapest Retailer
-
$2,159 USD
A
Retailer 2
-
$2,376 USD
View
A
Retailer 3
-
$2,714 USD
HK$21,200 HKD
View
A
Retailer 4
-
$2,983 USD
£2,349 GBP
View
A
Retailer 5
-
$3,398 USD
View
A
Retailer 6
-
$3,452 USD
€3,288 EUR
View
B+
Retailer 7
-
$5,037 USD
ZAR 81,377 ZAR
View
B+
Retailer 8
-
$5,295 USD
View
B+
Retailer 9
-
$5,891 USD
View
B+
Retailer 10
-
$6,468 USD
£5,093 GBP
View
B+
Retailer 11
-
$7,599 USD
View
B
Retailer 12
-
$8,140 USD
View
Most Expensive
B
Blue Nile
29314027 · Oct 31
$9,704 USD
View
12 more retailers have this diamond
Prices start from $2,159 USDSave up to $7,545 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
$2,159 USD