CaratHunter
Plans
Cushion|Lab Grown|IGI

3.06ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG818686311

Shape and cutting style on the report: Antique cushion cut

Certificate IGI LG818686311

Diamond specifications and retailer prices

From $1,093 SGD
$855 USD
As of November 2, 2026
Save $4,915 SGD (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $6,008 SGD at Brilliant Earth · As of October 31, 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818686311 or 818686311. Listed at 18 retailers as of October 31, 2026, with prices from $1,093 to $6,008, a $4,915 spread on the same certified stone. Brilliant Earth lists it at $6,008. 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
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.5°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818686311
Dimensions9.86 × 7.40 × 4.96 mm
L/W Ratio1.33
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.86 mm7.40 mm3.06 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818686311
Side View
Table 60.0%Crown 45.5°Girdle: STK-THKPavilion 41.3°Culet: LargeDepth 67.0%

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: Nov 2
Current: $6,008 SGD|Low: $923 SGD|High: $7,530 SGD|Avg: $2,253 SGD|-20.2%
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
November 2, 2026
Retailer 4$923 SGD
Retailer 13$1,093 SGD
Retailer 14$1,237 SGD
Retailer 8$1,385 SGD
Retailer 2$1,442 SGD
Retailer 5$1,606 SGD
Retailer 10$1,949 SGD
Retailer 12$2,086 SGD
Retailer 3$2,689 SGD
Retailer 15$2,760 SGD
Retailer 6$2,915 SGD
Retailer 9$2,947 SGD
Retailer 7$2,988 SGD
Retailer 11$4,012 SGD
Brilliant Earth$6,008 SGD

41 data points across 15 retailers

18 retailers$1,093 SGD to $6,008 SGD

Retailer 1
-
$744 SGD
$582 USD
Price last confirmed 34 days ago
Retailer 2
-
$834 SGD
$652 USD
View
Price last confirmed 39 days ago
Retailer 3
-
$911 SGD
$713 USD
View
Price last confirmed 34 days ago
A
Retailer 4
-
$1,093 SGD
$855 USD
View
A
Retailer 5
-
$1,237 SGD
$968 USD
View
A
Retailer 6
-
$1,385 SGD
€1,032 EUR
View
A
Retailer 7
-
$1,442 SGD
£888 GBP
View
A
Retailer 8
-
$1,606 SGD
$1,256 USD
View
B+
Retailer 9
-
$1,949 SGD
A$2,346 AUD
View
B+
Retailer 10
-
$2,086 SGD
$1,632 USD
View
Retailer 11
-
$2,428 SGD
$1,899 USD
View
Price last confirmed 32 days ago
Retailer 12
-
$2,689 SGD
£1,656 GBP
View
Price last confirmed 17 days ago
Retailer 13
-
$2,760 SGD
A$3,322 AUD
View
Price last confirmed 29 days ago
B+
Retailer 14
-
$2,915 SGD
View
B+
Retailer 15
-
$2,947 SGD
$2,305 USD
View
B+
Retailer 16
-
$2,988 SGD
$2,338 USD
View
B
Retailer 17
-
$4,012 SGD
£2,471 GBP
View
Most Expensive
B
Brilliant Earth
21728218A · Oct 31
$6,008 SGD
$4,700 USD
View
17 more retailers have this diamond
Prices start from $1,093 SGDSave up to $4,915 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
$1,093 SGD