CaratHunter
Plans
Round|Lab Grown|IGI

4.30ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG835660204

Shape and cutting style on the report: Round brilliant

Certificate IGI LG835660204

Diamond specifications and retailer prices

From £2,627 GBP
HK$27,500 HKD
As of October 30, 2026
Save £8,495 GBP (76%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £11,122 GBP at With Clarity · As of October 31, 2026
View at With Clarity

About this 4.3ct lab-grown round diamond

This 4.3ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG835660204 or 835660204. Listed at 12 retailers as of October 30, 2026, with prices from £2,627 to £11,122, a £8,495 spread on the same certified stone. With Clarity lists it at £11,122. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835660204
Dimensions10.41 × 10.46 × 6.44 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
HEARTS & ARROWS 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
10.41 mm10.46 mm4.30 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835660204
Side View
Table 55.0%Crown 34.2°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.7%

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: £2,903 GBP|Low: £2,627 GBP|High: £11,122 GBP|Avg: £5,164 GBP|-0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
With Clarity
October 31, 2026
Retailer 10£2,627 GBP
Retailer 1£2,903 GBP
Retailer 7£3,247 GBP
Retailer 5£3,445 GBP
Retailer 6£3,781 GBP
Retailer 3£4,596 GBP
Retailer 2£5,648 GBP
Retailer 8£5,764 GBP
Retailer 4£5,811 GBP
Retailer 9£7,534 GBP
With Clarity£11,122 GBP

17 data points across 11 retailers

12 retailers£2,627 GBP to £11,122 GBP

A
Cheapest Retailer
-
£2,627 GBP
HK$27,500 HKD
A
Retailer 2
-
£2,903 GBP
View
A
Retailer 3
-
£3,247 GBP
$4,350 USD
View
A
Retailer 4
-
£3,445 GBP
€4,396 EUR
View
A
Retailer 5
-
£3,781 GBP
$5,066 USD
View
A
Retailer 6
-
£4,596 GBP
ZAR 99,479 ZAR
View
B+
Retailer 7
-
£5,648 GBP
$7,568 USD
View
B+
Retailer 8
-
£5,764 GBP
$7,723 USD
View
B+
Retailer 9
-
£5,811 GBP
View
B+
Retailer 10
-
£6,418 GBP
$8,600 USD
View
B+
Retailer 11
-
£7,534 GBP
$10,094 USD
View
Most Expensive
B
With Clarity
835660204 · Oct 31
£11,122 GBP
$14,902 USD
View
11 more retailers have this diamond
Prices start from £2,627 GBPSave up to £8,495 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
4.30ct Round
£2,627 GBP