Round|Lab Grown|IGI

4.32ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG628448049

Shape and cutting style on the report: Round brilliant

Certificate IGI LG628448049

Diamond specifications and retailer prices

From £1,365 GBP
As of October 30, 2026
Save £8,833 GBP (87%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £10,198 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.32ct lab-grown round diamond

This 4.32ct 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 LG628448049 or 628448049. Listed at 18 retailers as of October 29, 2026, with prices from £1,365 to £10,198, a £8,833 spread on the same certified stone. Brilliant Earth lists it at £10,198. 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

4.32
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628448049
Dimensions10.46 × 10.52 × 6.46 mm
L/W Ratio1.01
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
10.46 mm10.52 mm4.32 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628448049
Side View
Table 56.0%Crown 34.3°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.6%

Caratlytics Score

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A+
Exceptional
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £10,198 GBP|Low: £1,333 GBP|High: £10,198 GBP|Avg: £3,852 GBP
Brilliant Earth
Retailer 2
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Retailer 4
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Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 17
October 30, 2026
Retailer 2£1,365 GBP
Retailer 13£1,374 GBP
Retailer 4£1,495 GBP
Retailer 14£1,701 GBP
Retailer 7£2,166 GBP
Retailer 3£2,418 GBP
Retailer 12£2,499 GBP
Retailer 16£2,681 GBP
Retailer 10£2,830 GBP
Retailer 9£2,883 GBP
Retailer 5£3,668 GBP
Retailer 6£3,815 GBP
Retailer 11£4,506 GBP
Retailer 17£5,031 GBP
Retailer 8£8,263 GBP
Retailer 15£9,454 GBP
Brilliant Earth£10,198 GBP

37 data points across 17 retailers

18 retailers£1,365 GBP to £10,198 GBP

A+
Cheapest Retailer
-
£1,365 GBP
A
Retailer 2
-
£1,374 GBP
$1,830 USD
View
A
Retailer 3
-
£1,495 GBP
$1,991 USD
View
A
Retailer 4
-
£1,649 GBP
$2,196 USD
View
Final sale: no returns
A
Retailer 5
-
£1,701 GBP
$2,265 USD
View
A
Retailer 6
-
£2,166 GBP
$2,885 USD
View
A
Retailer 7
-
£2,418 GBP
$3,220 USD
View
A
Retailer 8
-
£2,499 GBP
$3,328 USD
View
A
Retailer 9
-
£2,681 GBP
$3,570 USD
View
A
Retailer 10
-
£2,830 GBP
€3,589 EUR
View
A
Retailer 11
-
£2,883 GBP
$3,839 USD
View
A
Retailer 12
-
£3,668 GBP
$4,885 USD
View
Retailer 13
-
£3,815 GBP
A$7,816 AUD
View
Price last confirmed 7 days ago
A
Retailer 14
-
£4,506 GBP
$6,000 USD
View
B+
Retailer 15
-
£5,031 GBP
View
Retailer 16
-
£8,263 GBP
A$16,929 AUD
View
Price last confirmed 21 days ago
B
Retailer 17
-
£9,454 GBP
$12,590 USD
View
Most Expensive
B
Brilliant Earth
18294095Y · Oct 29
£10,198 GBP
$13,580 USD
View
17 more retailers have this diamond
Prices start from £1,365 GBPSave up to £8,833 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+
4.32ct Round
£1,365 GBP