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Cushion|Lab Grown|IGI

3.05ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG833671830

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG833671830

Diamond specifications and retailer prices

From $668 SGD
$521 USD
As of October 27, 2026
Save $4,664 SGD (87%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $5,332 SGD at Brilliant Earth · As of October 28, 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 E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG833671830 or 833671830. Listed at 18 retailers as of October 27, 2026, with prices from $668 to $5,332, a $4,664 spread on the same certified stone. Brilliant Earth lists it at $5,332. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle32°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833671830
Dimensions8.51 × 8.04 × 5.09 mm
L/W Ratio1.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.51 mm8.04 mm3.05 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833671830
Side View
Table 63.0%Crown 35.1°Girdle: MED-STKPavilion 32°Culet: NoneDepth 63.3%

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 27
Current: $5,332 SGD|Low: $641 SGD|High: $5,652 SGD|Avg: $2,050 SGD|+10.6%
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
Retailer 17
Retailer 18
October 30, 2026
Retailer 9$668 SGD
Retailer 16$804 SGD
Retailer 18$848 SGD
Retailer 12$923 SGD
Retailer 11$1,110 SGD
Retailer 4$1,156 SGD
Retailer 13$1,219 SGD
Retailer 17$1,574 SGD
Retailer 15$1,591 SGD
Retailer 7$1,660 SGD
Retailer 3$1,716 SGD
Retailer 8$2,416 SGD
Retailer 5$2,615 SGD
Retailer 14$2,720 SGD
Retailer 6$2,767 SGD
Retailer 10$2,868 SGD
Retailer 2$3,150 SGD
Brilliant Earth$5,332 SGD

36 data points across 18 retailers

18 retailers$668 SGD to $5,332 SGD

A
Cheapest Retailer
-
$668 SGD
$521 USD
Final sale: no returns
A
Retailer 2
-
$804 SGD
HK$4,900 HKD
View
Retailer 3
-
$848 SGD
£521 GBP
View
Price last confirmed 13 days ago
A
Retailer 4
-
$923 SGD
$720 USD
View
A
Retailer 5
-
$1,110 SGD
€825 EUR
View
B+
Retailer 6
-
$1,156 SGD
$902 USD
View
A
Retailer 7
-
$1,219 SGD
£749 GBP
View
Retailer 8
-
$1,574 SGD
A$1,889 AUD
View
Price last confirmed 10 days ago
A
Retailer 9
-
$1,591 SGD
ZAR 20,058 ZAR
View
A
Retailer 10
-
$1,660 SGD
$1,295 USD
View
A
Retailer 11
-
$1,716 SGD
$1,339 USD
View
B+
Retailer 12
-
$2,416 SGD
$1,885 USD
View
B+
Retailer 13
-
$2,615 SGD
$2,040 USD
View
B+
Retailer 14
-
$2,720 SGD
£1,671 GBP
View
B
Retailer 15
-
$2,767 SGD
$2,159 USD
View
Retailer 16
-
$2,868 SGD
A$3,443 AUD
View
Price last confirmed 21 days ago
B+
Retailer 17
-
$3,150 SGD
$2,458 USD
View
Most Expensive
B
Brilliant Earth
21423458A · Oct 28
$5,332 SGD
$4,160 USD
View
17 more retailers have this diamond
Prices start from $668 SGDSave up to $4,664 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
$668 SGD