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Cushion|Lab Grown|IGI

3.05ct F VVS1 Cushion Lab Grown Diamond

ID • F/VVS1 • IGI LG787631435

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG787631435

Diamond specifications and retailer prices

From $645 USD
As of November 4, 2026
Save $2,395 USD (79%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,225 USD at Novita Diamonds · As of October 2, 2026
View at Novita 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG787631435 or 787631435. Listed at 19 retailers as of November 1, 2026, with a 371% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787631435
Dimensions10.26 × 7.51 × 0.20 mm
L/W Ratio1.37
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.26 mm7.51 mm3.05 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787631435
Side View
Table 61.0%Crown 33.9°Girdle: STK-THKPavilion 35.5°Culet: NoneDepth 66.8%

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: Nov 4
Current: $2,833 USD|Low: $623 USD|High: $3,070 USD|Avg: $1,608 USD|-0.1%
Retailer 1
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
November 5, 2026
Retailer 6$645 USD
Retailer 9$658 USD
Retailer 15$820 USD
Retailer 7$912 USD
Retailer 4$958 USD
Retailer 13$1,034 USD
Retailer 10$1,050 USD
Retailer 14$1,437 USD
Retailer 11$1,477 USD
Retailer 12$1,563 USD
Retailer 17$1,746 USD
Retailer 3$1,981 USD
Retailer 5$2,208 USD
Retailer 2$2,242 USD
Retailer 16$2,367 USD
Retailer 1$2,833 USD
Retailer 8$3,040 USD

32 data points across 17 retailers

19 retailers$645 USD to $3,040 USD

A
Cheapest Retailer
-
$645 USD
Final sale: no returns
Retailer 2
-
$658 USD
View
Price last confirmed 20 days ago
A
Retailer 3
-
$820 USD
View
B+
Retailer 4
-
$912 USD
View
A
Retailer 5
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$958 USD
View
A
Retailer 6
-
$1,034 USD
View
A
Retailer 7
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$1,050 USD
View
A
Retailer 8
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$1,437 USD
View
A
Retailer 9
-
$1,477 USD
View
B+
Retailer 10
-
$1,563 USD
View
B+
Retailer 11
-
$1,746 USD
View
B+
Retailer 12
-
$1,981 USD
View
B+
Retailer 13
-
$2,191 USD
View
B+
Retailer 14
-
$2,208 USD
View
B+
Retailer 15
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$2,242 USD
View
B+
Retailer 16
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$2,367 USD
View
B
Retailer 17
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$2,833 USD
View
B
Retailer 18
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$3,040 USD
View
Most Expensive
Novita Diamonds
cert_787631435 · Oct 2
$3,225 USD
A$4,961 AUD
View
Price last confirmed 33 days ago
18 more retailers have this diamond
Prices start from $645 USDSave up to $2,395 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
$645 USD