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Cushion|Lab Grown|IGI

3.07ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG804660659

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG804660659

Diamond specifications and retailer prices

From £1,706 GBP
$2,286 USD
As of October 30, 2026
Save £6,046 GBP (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £7,752 GBP at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 3.07ct lab-grown cushion diamond

This 3.07ct 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 LG804660659 or 804660659. Listed at 12 retailers as of October 30, 2026, with prices from £1,706 to £7,752, a £6,046 spread on the same certified stone. Blue Nile lists it at £7,752. 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

3.07
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804660659
Dimensions9.38 × 7.89 × 5.13 mm
L/W Ratio1.19
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
9.38 mm7.89 mm3.07 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804660659
Side View
Table 61.0%Crown 36.5°Girdle: STK-THKPavilion 36.2°Culet: NoneDepth 65.0%

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: Oct 30
Current: £7,752 GBP|Low: £1,706 GBP|High: £17,967 GBP|Avg: £5,385 GBP|-56.9%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 6£1,706 GBP
Retailer 5£1,811 GBP
Retailer 9£2,169 GBP
Retailer 2£2,383 GBP
Retailer 3£2,730 GBP
Retailer 10£2,779 GBP
Retailer 4£4,194 GBP
Retailer 12£4,738 GBP
Retailer 11£4,937 GBP
Retailer 8£6,061 GBP
Retailer 7£6,583 GBP
Blue Nile£7,752 GBP

44 data points across 12 retailers

12 retailers£1,706 GBP to £7,752 GBP

A
Cheapest Retailer
-
£1,706 GBP
$2,286 USD
A
Retailer 2
-
£1,811 GBP
$2,427 USD
View
A
Retailer 3
-
£2,169 GBP
HK$22,700 HKD
View
A
Retailer 4
-
£2,383 GBP
View
A
Retailer 5
-
£2,730 GBP
$3,658 USD
View
A
Retailer 6
-
£2,779 GBP
€3,546 EUR
View
Retailer 7
-
£4,194 GBP
$5,620 USD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
£4,738 GBP
$6,349 USD
View
B+
Retailer 9
-
£4,937 GBP
View
B+
Retailer 10
-
£6,061 GBP
$8,121 USD
View
B+
Retailer 11
-
£6,583 GBP
$8,820 USD
View
Most Expensive
B
Blue Nile
29977421 · Oct 31
£7,752 GBP
$10,387 USD
View
11 more retailers have this diamond
Prices start from £1,706 GBPSave up to £6,046 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
3.07ct Cushion
£1,706 GBP