CaratHunter
Plans
Cushion|Lab Grown|IGI

4.30ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG794696851

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG794696851

Diamond specifications and retailer prices

From £3,732 GBP
$4,970 USD
As of October 30, 2026
Save £22,483 GBP (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £26,215 GBP at Do Amore Diamonds · As of October 29, 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 top-tier cut grade and certified by IGI LG794696851 or 794696851. Listed at 18 retailers as of October 29, 2026, with prices from £3,732 to £26,215, a £22,483 spread on the same certified stone. Do Amore Diamonds lists it at £26,215. 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

4.30
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794696851
Dimensions11.60 × 8.52 × 5.58 mm
L/W Ratio1.36
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
11.60 mm8.52 mm4.30 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794696851
Side View
Table 63.0%Crown 32.2°Girdle: MED-THKPavilion 38.4°Culet: NoneDepth 65.5%

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: £26,215 GBP|Low: £3,732 GBP|High: £26,215 GBP|Avg: £9,248 GBP
Do Amore 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
Retailer 15
Retailer 16
October 30, 2026
Retailer 13£3,732 GBP
Retailer 4£4,127 GBP
Retailer 5£4,268 GBP
Retailer 8£4,420 GBP
Retailer 12£4,434 GBP
Retailer 2£6,264 GBP
Retailer 14£6,381 GBP
Retailer 7£6,935 GBP
Retailer 10£7,693 GBP
Retailer 11£9,980 GBP
Retailer 9£10,383 GBP
Retailer 15£12,165 GBP
Retailer 16£15,546 GBP
Retailer 3£17,215 GBP
Retailer 6£23,484 GBP
Do Amore Diamonds£26,215 GBP

42 data points across 16 retailers

18 retailers£3,732 GBP to £26,215 GBP

A
Cheapest Retailer
-
£3,732 GBP
$4,970 USD
A
Retailer 2
-
£4,127 GBP
$5,496 USD
View
A
Retailer 3
-
£4,268 GBP
$5,683 USD
View
Final sale: no returns
Retailer 4
-
£4,420 GBP
$5,886 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
£4,434 GBP
$5,905 USD
View
A
Retailer 6
-
£6,264 GBP
View
A
Retailer 7
-
£6,381 GBP
$8,497 USD
View
B+
Retailer 8
-
£6,935 GBP
View
B+
Retailer 9
-
£7,693 GBP
€9,757 EUR
View
B+
Retailer 10
-
£9,980 GBP
View
B+
Retailer 11
-
£10,383 GBP
ZAR 223,378 ZAR
View
B
Retailer 12
-
£12,165 GBP
$16,200 USD
View
B+
Retailer 13
-
£13,424 GBP
$17,877 USD
View
B
Retailer 14
-
£15,357 GBP
$20,451 USD
View
B
Retailer 15
-
£15,546 GBP
$20,702 USD
View
B
Retailer 16
-
£17,215 GBP
$22,925 USD
View
B
Retailer 17
-
£23,484 GBP
$31,273 USD
View
Most Expensive
B
Do Amore Diamonds
27-D56BEDAE3 · Oct 29
£26,215 GBP
$34,910 USD
View
17 more retailers have this diamond
Prices start from £3,732 GBPSave up to £22,483 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
£3,732 GBP