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Cushion|Lab Grown|IGI

3.06ct F IF Cushion Lab Grown Diamond

ID • F/IF • IGI LG687552115

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG687552115

Diamond specifications and retailer prices

From £1,056 GBP
As of November 4, 2026
Save £4,172 GBP (80%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £5,228 GBP at Novita Diamonds · As of October 31, 2026
View at Novita Diamonds

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG687552115 or 687552115. Listed at 22 retailers as of October 31, 2026, with prices from £1,056 to £5,228, a £4,172 spread on the same certified stone. Novita Diamonds lists it at £5,228. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687552115
Dimensions10.48 × 7.10 × 4.91 mm
L/W Ratio1.48
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.48 mm7.10 mm3.06 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687552115
Side View
Table 65.0%Crown 38.8°Girdle: MED-THKPavilion 37.4°Culet: NoneDepth 69.2%

Caratlytics Score

How it works →
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: Nov 4
Current: £5,228 GBP|Low: £1,093 GBP|High: £5,307 GBP|Avg: £2,592 GBP|+0.3%
Novita 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
November 5, 2026
Retailer 6£1,093 GBP
Retailer 7£1,201 GBP
Retailer 3£1,222 GBP
Retailer 2£1,525 GBP
Retailer 13£1,596 GBP
Retailer 8£1,762 GBP
Retailer 10£1,953 GBP
Retailer 12£2,469 GBP
Retailer 9£2,542 GBP
Retailer 5£3,036 GBP
Retailer 14£3,215 GBP
Retailer 11£3,513 GBP
Retailer 4£4,311 GBP
Novita Diamonds£5,228 GBP

39 data points across 14 retailers

22 retailers£1,056 GBP to £5,228 GBP

A
Cheapest Retailer
-
£1,056 GBP
Final sale: no returns
Retailer 2
-
£1,093 GBP
View
Price last confirmed 24 days ago
A
Retailer 3
-
£1,201 GBP
View
A
Retailer 4
-
£1,222 GBP
View
A
Retailer 5
-
£1,266 GBP
View
A
Retailer 6
-
£1,525 GBP
View
A
Retailer 7
-
£1,596 GBP
View
A
Retailer 8
-
£1,762 GBP
View
A
Retailer 9
-
£1,953 GBP
View
A
Retailer 10
-
£2,313 GBP
View
B+
Retailer 11
-
£2,469 GBP
View
B+
Retailer 12
-
£2,542 GBP
View
B+
Retailer 13
-
£2,642 GBP
View
B+
Retailer 14
-
£3,036 GBP
View
B+
Retailer 15
-
£3,138 GBP
View
B+
Retailer 16
-
£3,215 GBP
View
B+
Retailer 17
-
£3,513 GBP
View
B+
Retailer 18
-
£3,696 GBP
View
B
Retailer 19
-
£3,837 GBP
View
Retailer 20
-
£4,083 GBP
View
Price last confirmed 93 days ago
Retailer 21
-
£4,311 GBP
View
Price last confirmed 15 days ago
Most Expensive
B
Novita Diamonds
cert_687552115 · Oct 31
£5,228 GBP
A$10,857 AUD
View
21 more retailers have this diamond
Prices start from £1,056 GBPSave up to £4,172 GBP

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
£1,056 GBP