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Cushion|Lab Grown|IGI

3.06ct E VVS1 Cushion Lab Grown Diamond

EX • E/VVS1 • IGI LG638403286

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG638403286

Diamond specifications and retailer prices

From $678 USD
As of October 29, 2026
Save $2,599 USD (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,360 USD at Rare Carat · As of October 19, 2026
View at Rare Carat

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG638403286 or 638403286. Listed at 16 retailers as of October 29, 2026, with a 383% 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle33.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638403286
Dimensions8.05 × 7.83 × 5.36 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.05 mm7.83 mm3.06 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638403286
Side View
Table 64.0%Crown 37.6°Girdle: STK-THKPavilion 33.8°Culet: NoneDepth 68.5%

Caratlytics Score

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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: Oct 29
Current: $3,360 USD|Low: $678 USD|High: $3,395 USD|Avg: $1,726 USD|-1.0%
Rare Carat
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
October 29, 2026
Retailer 6$678 USD
Retailer 14$751 USD
Retailer 11$814 USD
Retailer 13$865 USD
Retailer 16$1,022 USD
Retailer 7$1,151 USD
Retailer 2$1,171 USD
Retailer 12$1,595 USD
Retailer 10$1,630 USD
Retailer 5$1,810 USD
Retailer 3$2,179 USD
Retailer 15$2,395 USD
Retailer 4$2,427 USD
Retailer 8$2,487 USD
Retailer 9$3,277 USD
Rare Carat$3,360 USD

44 data points across 16 retailers

16 retailers$678 USD to $3,277 USD

A
Cheapest Retailer
-
$678 USD
Final sale: no returns
Retailer 2
-
$751 USD
View
Price last confirmed 13 days ago
Retailer 3
-
$814 USD
£641 GBP
View
Price last confirmed 7 days ago
A
Retailer 4
-
$865 USD
View
A
Retailer 5
-
$1,022 USD
View
A
Retailer 6
-
$1,151 USD
View
A
Retailer 7
-
$1,171 USD
£922 GBP
View
Retailer 8
-
$1,595 USD
A$2,454 AUD
View
Price last confirmed 9 days ago
A
Retailer 9
-
$1,630 USD
ZAR 26,338 ZAR
View
A
Retailer 10
-
$1,810 USD
View
B+
Retailer 11
-
$2,179 USD
£1,716 GBP
View
B+
Retailer 12
-
$2,395 USD
View
B+
Retailer 13
-
$2,427 USD
View
B+
Retailer 14
-
$2,487 USD
View
B
Retailer 15
-
$3,277 USD
£2,580 GBP
View
Most Expensive
Rare Carat
KE-400_l_638403286 · Oct 19
$3,360 USD
View
Price last confirmed 10 days ago
15 more retailers have this diamond
Prices start from $678 USDSave up to $2,599 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
$678 USD