CaratHunter
Plans
Cushion|Lab Grown|IGI

3.06ct E VS1 Cushion Lab Grown Diamond

EX • E/VS1 • IGI LG670420305

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG670420305

Diamond specifications and retailer prices

From $747 SGD
$584 USD
As of October 29, 2026
Save $2,322 SGD (76%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,730 SGD at Rare Carat · As of July 27, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG670420305 or 670420305. Listed at 16 retailers as of October 29, 2026, with a 311% 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
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG670420305
Dimensions8.57 × 8.39 × 5.55 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
8.57 mm8.39 mm3.06 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG670420305
Side View
Table 62.0%Crown 33.9°Girdle: STK-THKPavilion 39.7°Culet: NoneDepth 66.2%

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 29
Current: $1,004 SGD|Low: $643 SGD|High: $3,496 SGD|Avg: $1,654 SGD|+12.1%
Retailer 1
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
October 31, 2026
Retailer 3$747 SGD
Retailer 6$827 SGD
Retailer 8$947 SGD
Retailer 1$1,004 SGD
Retailer 11$1,152 SGD
Retailer 9$1,283 SGD
Retailer 4$1,284 SGD
Retailer 14$1,284 SGD
Retailer 15$1,690 SGD
Retailer 10$1,748 SGD
Retailer 12$1,780 SGD
Retailer 2$2,690 SGD
Retailer 5$2,839 SGD
Retailer 7$3,068 SGD
Retailer 13$3,473 SGD

34 data points across 15 retailers

16 retailers$747 SGD to $3,068 SGD

A
Cheapest Retailer
-
$747 SGD
$584 USD
Final sale: no returns
Retailer 2
-
$827 SGD
$647 USD
View
Price last confirmed 20 days ago
A
Retailer 3
-
$947 SGD
£583 GBP
View
A
Retailer 4
-
$1,004 SGD
$785 USD
View
A
Retailer 5
-
$1,152 SGD
€858 EUR
View
A
Retailer 6
-
$1,283 SGD
£790 GBP
View
A
Retailer 7
-
$1,284 SGD
$1,004 USD
View
A
Retailer 8
-
$1,284 SGD
$1,004 USD
View
A
Retailer 9
-
$1,690 SGD
$1,322 USD
View
A
Retailer 10
-
$1,748 SGD
A$2,103 AUD
View
Retailer 11
-
$1,780 SGD
ZAR 22,493 ZAR
View
Price last confirmed 12 days ago
B+
Retailer 12
-
$2,690 SGD
$2,104 USD
View
B+
Retailer 13
-
$2,839 SGD
$2,221 USD
View
B
Retailer 14
-
$3,068 SGD
$2,400 USD
View
Retailer 15
-
$3,473 SGD
£2,139 GBP
View
Price last confirmed 10 days ago
Most Expensive
Rare Carat
674847 · Jul 27
$3,730 SGD
$2,917 USD
View
Price last confirmed 95 days ago
15 more retailers have this diamond
Prices start from $747 SGDSave up to $2,322 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
3.06ct Cushion
$747 SGD