Cushion|Lab Grown|IGI

3.05ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG840627385

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG840627385

Diamond specifications and retailer prices

From $691 USD
£544 GBP
As of November 1, 2026
Save $3,239 USD (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,930 USD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 3.05ct lab-grown cushion diamond

This 3.05ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG840627385 or 840627385. Listed at 16 retailers as of November 1, 2026, with prices from $691 to $3,930, a $3,239 spread on the same certified stone. Do Amore Diamonds lists it at $3,930. 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
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840627385
Dimensions10.35 × 7.30 × 5.14 mm
L/W Ratio1.42
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.35 mm7.30 mm3.05 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840627385
Side View
Table 63.0%Crown 34.8°Girdle: MED-THKPavilion 36.9°Culet: NoneDepth 70.4%

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: $3,930 USD|Low: $542 USD|High: $3,930 USD|Avg: $1,446 USD
Do Amore Diamonds
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 1, 2026
Retailer 9$542 USD
Retailer 12$691 USD
Retailer 18$728 USD
Retailer 14$730 USD
Retailer 13$883 USD
Retailer 7$925 USD
Retailer 17$947 USD
Retailer 16$1,279 USD
Retailer 10$1,841 USD
Retailer 8$1,882 USD
Retailer 3$1,966 USD
Retailer 6$2,059 USD
Retailer 15$2,074 USD
Retailer 5$2,122 USD
Retailer 2$2,410 USD
Retailer 11$2,529 USD
Retailer 4$3,026 USD
Do Amore Diamonds$3,930 USD

10 data points across 18 retailers

16 retailers$691 USD to $3,930 USD

A
Cheapest Retailer
-
$691 USD
£544 GBP
B+
Retailer 2
-
$728 USD
View
A
Retailer 3
-
$730 USD
View
A
Retailer 4
-
$883 USD
€841 EUR
View
Retailer 5
-
$925 USD
£728 GBP
View
Price last confirmed 13 days ago
A
Retailer 6
-
$947 USD
View
A
Retailer 7
-
$1,279 USD
A$1,968 AUD
View
Retailer 8
-
$1,841 USD
View
Price last confirmed 12 days ago
B+
Retailer 9
-
$1,966 USD
View
B+
Retailer 10
-
$2,059 USD
View
B+
Retailer 11
-
$2,074 USD
A$3,190 AUD
View
B+
Retailer 12
-
$2,122 USD
SGD 2,868 SGD
View
B+
Retailer 13
-
$2,410 USD
View
B
Retailer 14
-
$2,529 USD
£1,991 GBP
View
B
Retailer 15
-
$3,026 USD
View
Most Expensive
B
Do Amore Diamonds
27-E7D2054C6 · Nov 2
$3,930 USD
View
15 more retailers have this diamond
Prices start from $691 USDSave up to $3,239 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
$691 USD