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Cushion|Lab Grown|IGI

3.06ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG798609342

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG798609342

Diamond specifications and retailer prices

From £2,817 GBP
$3,774 USD
As of October 31, 2026
Save £12,538 GBP (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £15,354 GBP at With Clarity · As of October 31, 2026
View at With Clarity

About this 3.06ct lab-grown cushion diamond

This 3.06ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG798609342 or 798609342. Listed at 20 retailers as of October 31, 2026, with prices from £2,817 to £15,354, a £12,538 spread on the same certified stone. With Clarity lists it at £15,354. 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
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG798609342
Dimensions10.07 × 7.66 × 5.04 mm
L/W Ratio1.31
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.07 mm7.66 mm3.06 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG798609342
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 38.8°Culet: NoneDepth 65.8%

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 31
Current: £4,146 GBP|Low: £2,267 GBP|High: £10,944 GBP|Avg: £5,525 GBP|-0.3%
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
Retailer 16
Retailer 17
October 30, 2026
Retailer 9£2,817 GBP
Retailer 14£2,835 GBP
Retailer 3£3,080 GBP
Retailer 2£3,098 GBP
Retailer 6£3,209 GBP
Retailer 13£3,463 GBP
Retailer 1£4,146 GBP
Retailer 8£4,754 GBP
Retailer 11£4,776 GBP
Retailer 17£5,131 GBP
Retailer 12£6,671 GBP
Retailer 15£6,823 GBP
Retailer 10£7,192 GBP
Retailer 5£7,798 GBP
Retailer 4£8,148 GBP
Retailer 7£9,978 GBP
Retailer 16£10,944 GBP

42 data points across 17 retailers

20 retailers£2,817 GBP to £15,354 GBP

A
Cheapest Retailer
-
£2,817 GBP
$3,774 USD
A
Retailer 2
-
£2,835 GBP
$3,799 USD
View
A
Retailer 3
-
£3,080 GBP
CA$5,732 CAD
View
Retailer 4
-
£3,098 GBP
$4,151 USD
View
Price last confirmed 18 days ago
A
Retailer 5
-
£3,209 GBP
$4,300 USD
View
A
Retailer 6
-
£3,213 GBP
$4,305 USD
View
B+
Retailer 7
-
£3,463 GBP
$4,640 USD
View
Final sale: no returns
B+
Retailer 8
-
£4,146 GBP
View
B+
Retailer 9
-
£4,754 GBP
View
B+
Retailer 10
-
£4,776 GBP
€6,095 EUR
View
B+
Retailer 11
-
£5,131 GBP
$6,875 USD
View
B+
Retailer 12
-
£6,671 GBP
View
B+
Retailer 13
-
£6,823 GBP
$9,142 USD
View
B+
Retailer 14
-
£7,192 GBP
ZAR 155,679 ZAR
View
B
Retailer 15
-
£7,798 GBP
$10,448 USD
View
B
Retailer 16
-
£8,148 GBP
$10,918 USD
View
B
Retailer 17
-
£9,018 GBP
$12,083 USD
View
B
Retailer 18
-
£10,915 GBP
$14,625 USD
View
B
Retailer 19
-
£10,944 GBP
$14,664 USD
View
Most Expensive
B
With Clarity
798609342 · Oct 31
£15,354 GBP
$20,573 USD
View
19 more retailers have this diamond
Prices start from £2,817 GBPSave up to £12,538 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
£2,817 GBP