CaratHunter
Plans
Cushion|Lab Grown|IGI

3.07ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG628448050

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG628448050

Diamond specifications and retailer prices

From £1,423 GBP
$1,907 USD
As of October 30, 2026
Save £6,495 GBP (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £7,919 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 LG628448050 or 628448050. Listed at 11 retailers as of October 30, 2026, with prices from £1,423 to £7,919, a £6,495 spread on the same certified stone. Do Amore Diamonds lists it at £7,919. 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 angle35.4°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628448050
Dimensions8.67 × 8.38 × 5.45 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
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
8.67 mm8.38 mm3.07 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628448050
Side View
Table 61.0%Crown 35.4°Girdle: MED-THKPavilion 38.5°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: £7,919 GBP|Low: £1,423 GBP|High: £14,501 GBP|Avg: £4,543 GBP|-45.4%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2£1,423 GBP
Retailer 9£1,452 GBP
Retailer 4£1,813 GBP
Retailer 10£2,147 GBP
Retailer 5£2,469 GBP
Retailer 3£2,527 GBP
Retailer 7£3,699 GBP
Retailer 11£4,194 GBP
Retailer 6£4,230 GBP
Retailer 8£6,120 GBP
Do Amore Diamonds£7,919 GBP

31 data points across 11 retailers

11 retailers£1,423 GBP to £7,919 GBP

A
Cheapest Retailer
-
£1,423 GBP
$1,907 USD
A
Retailer 2
-
£1,452 GBP
$1,945 USD
View
A
Retailer 3
-
£1,813 GBP
$2,429 USD
View
A
Retailer 4
-
£2,147 GBP
$2,877 USD
View
A
Retailer 5
-
£2,469 GBP
€3,151 EUR
View
A
Retailer 6
-
£2,527 GBP
$3,386 USD
View
Final sale: no returns
B+
Retailer 7
-
£3,699 GBP
$4,957 USD
View
Retailer 8
-
£4,194 GBP
$5,620 USD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
£4,230 GBP
View
B
Retailer 10
-
£6,120 GBP
$8,200 USD
View
Most Expensive
B
Do Amore Diamonds
27-032F835FC · Oct 31
£7,919 GBP
$10,610 USD
View
10 more retailers have this diamond
Prices start from £1,423 GBPSave up to £6,495 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
£1,423 GBP