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Cushion|Lab Grown|IGI

3.06ct E VVS2 Cushion Lab Grown Diamond

ID • E/VVS2 • IGI LG685521907

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

Certificate IGI LG685521907

Diamond specifications and retailer prices

From $543 USD
As of October 30, 2026
Save $6,087 USD (92%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,740 USD at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 3.06ct lab-grown cushion diamond

This 3.06ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG685521907 or 685521907. Listed at 16 retailers as of October 30, 2026, with a 1121% 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

3.06
Carat
E
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685521907
Dimensions8.35 × 8.21 × 5.57 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.35 mm8.21 mm3.06 ctE / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685521907
Side View
Table 62.0%Crown 37.7°Girdle: MED-THKPavilion 38.8°Culet: NoneDepth 67.8%

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: Oct 30
Current: $6,740 USD|Low: $521 USD|High: $6,740 USD|Avg: $1,815 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
October 31, 2026
Retailer 9$543 USD
Retailer 6$602 USD
Retailer 3$720 USD
Retailer 5$799 USD
Retailer 12$1,035 USD
Retailer 8$1,091 USD
Retailer 11$1,404 USD
Retailer 14$1,510 USD
Retailer 7$1,568 USD
Retailer 2$1,935 USD
Retailer 13$2,276 USD
Retailer 4$2,779 USD
Retailer 10$4,510 USD
Brilliant Earth$6,740 USD

33 data points across 14 retailers

16 retailers$543 USD to $6,630 USD

A
Cheapest Retailer
-
$543 USD
Final sale: no returns
Retailer 2
-
$602 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$720 USD
View
B+
Retailer 4
-
$799 USD
View
A
Retailer 5
-
$1,035 USD
£815 GBP
View
A
Retailer 6
-
$1,091 USD
View
A
Retailer 7
-
$1,404 USD
A$2,160 AUD
View
A
Retailer 8
-
$1,510 USD
ZAR 24,397 ZAR
View
A
Retailer 9
-
$1,568 USD
View
B+
Retailer 10
-
$1,935 USD
£1,524 GBP
View
B+
Retailer 11
-
$2,276 USD
View
B+
Retailer 12
-
$2,779 USD
£2,188 GBP
View
B
Retailer 13
-
$4,510 USD
View
B
Retailer 14
-
$5,480 USD
View
B
Retailer 15
-
$6,630 USD
View
Most Expensive
Brilliant Earth
15259097Y · Oct 16
$6,740 USD
View
Price last confirmed 14 days ago
15 more retailers have this diamond
Prices start from $543 USDSave up to $6,087 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
3.06ct Cushion
$543 USD