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Cushion|Lab Grown|IGI

4.30ct D FL Cushion Lab Grown Diamond

VG • D/FL • IGI LG784646949

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG784646949

Diamond specifications and retailer prices

From £3,095 GBP
$4,122 USD
As of October 29, 2026
Save £16,519 GBP (84%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £19,614 GBP at Do Amore Diamonds · As of October 28, 2026
View at Do Amore Diamonds

About this 4.3ct lab-grown cushion diamond

This 4.3ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG784646949 or 784646949. Listed at 10 retailers as of October 28, 2026, with prices from £3,095 to £19,614, a £16,519 spread on the same certified stone. Do Amore Diamonds lists it at £19,614. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.30
Carat
D
Colour
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784646949
Dimensions10.87 × 8.69 × 5.67 mm
L/W Ratio1.25
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
10.87 mm8.69 mm4.30 ctD / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784646949
Side View
Table 57.0%Crown 35.7°Girdle: MED-VTKPavilion 36°Culet: NoneDepth 65.2%

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 29
Current: £19,614 GBP|Low: £3,095 GBP|High: £24,953 GBP|Avg: £8,442 GBP|-21.4%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 6£3,095 GBP
Retailer 3£3,330 GBP
Retailer 7£3,630 GBP
Retailer 9£4,312 GBP
Retailer 5£5,124 GBP
Retailer 2£6,265 GBP
Retailer 10£6,544 GBP
Retailer 4£7,546 GBP
Retailer 8£16,956 GBP
Do Amore Diamonds£19,614 GBP

25 data points across 10 retailers

10 retailers£3,095 GBP to £19,614 GBP

A
Cheapest Retailer
-
£3,095 GBP
$4,122 USD
A
Retailer 2
-
£3,330 GBP
$4,435 USD
View
A
Retailer 3
-
£3,630 GBP
$4,834 USD
View
A
Retailer 4
-
£4,312 GBP
$5,742 USD
View
Final sale: no returns
A
Retailer 5
-
£5,124 GBP
$6,824 USD
View
A
Retailer 6
-
£6,265 GBP
€7,946 EUR
View
B+
Retailer 7
-
£6,544 GBP
$8,715 USD
View
Price last confirmed 80 days ago
B+
Retailer 8
-
£7,546 GBP
View
B
Retailer 9
-
£16,956 GBP
$22,580 USD
View
Most Expensive
B
Do Amore Diamonds
27-77A8A62F1 · Oct 28
£19,614 GBP
$26,120 USD
View
9 more retailers have this diamond
Prices start from £3,095 GBPSave up to £16,519 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
4.30ct Cushion
£3,095 GBP