Cushion|Lab Grown|IGI

3.05ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG840629501

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG840629501

Diamond specifications and retailer prices

From $750 USD
As of November 2, 2026
Save $4,320 USD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,070 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG840629501 or 840629501. Listed at 16 retailers as of October 31, 2026, with prices from $750 to $5,070, a $4,320 spread on the same certified stone. Brilliant Earth lists it at $5,070. 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 angle35.1°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840629501
Dimensions9.98 × 7.39 × 4.99 mm
L/W Ratio1.35
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.98 mm7.39 mm3.05 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840629501
Side View
Table 63.0%Crown 35.1°Girdle: STK-THKPavilion 34.9°Culet: NoneDepth 67.5%

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 2
Current: $5,070 USD|Low: $750 USD|High: $5,070 USD|Avg: $1,944 USD
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
Retailer 14
Retailer 15
Retailer 16
November 2, 2026
Retailer 3$750 USD
Retailer 2$769 USD
Retailer 16$945 USD
Retailer 7$951 USD
Retailer 4$980 USD
Retailer 12$1,008 USD
Retailer 9$1,050 USD
Retailer 15$1,424 USD
Retailer 5$1,464 USD
Retailer 13$2,284 USD
Retailer 6$2,305 USD
Retailer 8$2,338 USD
Retailer 10$2,410 USD
Retailer 11$2,814 USD
Retailer 14$4,370 USD
Brilliant Earth$5,070 USD

6 data points across 16 retailers

16 retailers$750 USD to $5,070 USD

A
Cheapest Retailer
-
$750 USD
A
Retailer 2
-
$769 USD
£606 GBP
View
A
Retailer 3
-
$945 USD
View
A
Retailer 4
-
$951 USD
View
A
Retailer 5
-
$980 USD
View
A
Retailer 6
-
$1,008 USD
€960 EUR
View
A
Retailer 7
-
$1,050 USD
£827 GBP
View
A
Retailer 8
-
$1,424 USD
A$2,190 AUD
View
A
Retailer 9
-
$1,464 USD
ZAR 23,652 ZAR
View
B+
Retailer 10
-
$2,284 USD
View
B+
Retailer 11
-
$2,305 USD
View
B+
Retailer 12
-
$2,338 USD
SGD 3,159 SGD
View
B+
Retailer 13
-
$2,410 USD
View
B
Retailer 14
-
$2,814 USD
£2,216 GBP
View
B
Retailer 15
-
$4,370 USD
View
Most Expensive
B
Brilliant Earth
22335762Y · Oct 31
$5,070 USD
View
15 more retailers have this diamond
Prices start from $750 USDSave up to $4,320 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
$750 USD