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Round|Lab Grown|IGI

4.31ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG768683058

Shape and cutting style on the report: Round brilliant

Certificate IGI LG768683058

Diamond specifications and retailer prices

From £1,431 GBP
As of October 29, 2026
Save £8,451 GBP (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £9,882 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 4.31ct lab-grown round diamond

This 4.31ct 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 LG768683058 or 768683058. Listed at 19 retailers as of October 29, 2026, with prices from £1,431 to £9,882, a £8,451 spread on the same certified stone. Do Amore Diamonds lists it at £9,882. 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

4.31
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768683058
Dimensions10.41 × 10.34 × 6.45 mm
L/W Ratio1.01
Girdle conditionFaceted
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
10.41 mm10.34 mm4.31 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768683058
Side View
Table 57.0%Crown 35.4°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
A+
Exceptional
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: £9,882 GBP|Low: £1,422 GBP|High: £10,566 GBP|Avg: £3,750 GBP|-4.4%
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
Retailer 17
Retailer 18
October 29, 2026
Retailer 13£1,431 GBP
Retailer 4£1,437 GBP
Retailer 17£1,563 GBP
Retailer 7£1,608 GBP
Retailer 16£1,666 GBP
Retailer 14£1,791 GBP
Retailer 15£2,404 GBP
Retailer 11£2,514 GBP
Retailer 10£2,528 GBP
Retailer 3£2,736 GBP
Retailer 5£2,847 GBP
Retailer 2£3,916 GBP
Retailer 6£3,947 GBP
Retailer 8£4,491 GBP
Retailer 18£4,713 GBP
Retailer 12£5,017 GBP
Retailer 9£6,433 GBP
Do Amore Diamonds£9,882 GBP

29 data points across 18 retailers

19 retailers£1,431 GBP to £9,882 GBP

A+
Cheapest Retailer
-
£1,431 GBP
A+
Retailer 2
-
£1,437 GBP
$1,913 USD
View
A
Retailer 3
-
£1,563 GBP
$2,082 USD
View
A
Retailer 4
-
£1,608 GBP
$2,142 USD
View
Final sale: no returns
A
Retailer 5
-
£1,666 GBP
$2,219 USD
View
A
Retailer 6
-
£1,743 GBP
$2,321 USD
View
Price last confirmed 18 days ago
A
Retailer 7
-
£1,791 GBP
$2,385 USD
View
A
Retailer 8
-
£2,404 GBP
$3,201 USD
View
A
Retailer 9
-
£2,514 GBP
View
A
Retailer 10
-
£2,528 GBP
$3,367 USD
View
A
Retailer 11
-
£2,736 GBP
$3,644 USD
View
A
Retailer 12
-
£2,847 GBP
$3,791 USD
View
A
Retailer 13
-
£3,916 GBP
ZAR 84,242 ZAR
View
A
Retailer 14
-
£3,947 GBP
A$8,087 AUD
View
Price last confirmed 7 days ago
A
Retailer 15
-
£4,491 GBP
$5,980 USD
View
A
Retailer 16
-
£4,713 GBP
$6,276 USD
View
B+
Retailer 17
-
£5,017 GBP
View
B+
Retailer 18
-
£6,433 GBP
$8,567 USD
View
Most Expensive
B
Do Amore Diamonds
27-97CCB7A70 · Oct 29
£9,882 GBP
$13,160 USD
View
18 more retailers have this diamond
Prices start from £1,431 GBPSave up to £8,451 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+
4.31ct Round
£1,431 GBP