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Cushion|Lab Grown|IGI

3.05ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG685578140

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG685578140

Diamond specifications and retailer prices

From $881 SGD
$687 USD
As of October 29, 2026
Save $8,809 SGD (91%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $9,690 SGD at Do Amore Diamonds · As of October 28, 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 E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG685578140 or 685578140. Listed at 16 retailers as of October 28, 2026, with prices from $881 to $9,690, a $8,809 spread on the same certified stone. Do Amore Diamonds lists it at $9,690. 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
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.2°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685578140
Dimensions8.36 × 8.36 × 5.55 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.36 mm8.36 mm3.05 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685578140
Side View
Table 63.0%Crown 38.2°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 66.4%

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: $6,998 SGD|Low: $881 SGD|High: $9,946 SGD|Avg: $3,150 SGD|-11.2%
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
October 29, 2026
Retailer 14$881 SGD
Retailer 6$1,030 SGD
Retailer 11$1,141 SGD
Retailer 10$1,292 SGD
Retailer 2$1,615 SGD
Retailer 12$1,798 SGD
Retailer 4$2,285 SGD
Retailer 5$2,308 SGD
Retailer 8$2,343 SGD
Retailer 13$3,145 SGD
Retailer 3$3,624 SGD
Retailer 7$4,273 SGD
Do Amore Diamonds$6,998 SGD
Retailer 9$8,305 SGD

31 data points across 14 retailers

16 retailers$881 SGD to $9,690 SGD

A
Cheapest Retailer
-
$881 SGD
$687 USD
Final sale: no returns
A
Retailer 2
-
$1,030 SGD
$804 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
$1,141 SGD
$890 USD
View
A
Retailer 4
-
$1,292 SGD
$1,008 USD
View
A
Retailer 5
-
$1,615 SGD
£992 GBP
View
A
Retailer 6
-
$1,798 SGD
$1,403 USD
View
A
Retailer 7
-
$2,285 SGD
$1,783 USD
View
A
Retailer 8
-
$2,308 SGD
A$2,770 AUD
View
Price last confirmed 8 days ago
A
Retailer 9
-
$2,343 SGD
ZAR 29,530 ZAR
View
B+
Retailer 10
-
$3,145 SGD
£1,932 GBP
View
B+
Retailer 11
-
$3,624 SGD
$2,828 USD
View
B+
Retailer 12
-
$4,273 SGD
£2,625 GBP
View
B
Retailer 13
-
$6,998 SGD
$5,460 USD
View
B
Retailer 14
-
$8,305 SGD
$6,480 USD
View
B
Retailer 15
-
$9,317 SGD
$7,269 USD
View
Most Expensive
B
Do Amore Diamonds
23-685578140 · Oct 28
$9,690 SGD
$7,560 USD
View
15 more retailers have this diamond
Prices start from $881 SGDSave up to $8,809 SGD

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
$881 SGD