CaratHunter
Plans
Emerald|Lab Grown|IGI

4.31ct D FL Emerald Lab Grown Diamond

EX • D/FL • IGI LG811634225

Shape and cutting style on the report: Emerald cut

Certificate IGI LG811634225

Diamond specifications and retailer prices

From £4,860 GBP
$6,512 USD
As of October 30, 2026
Save £11,381 GBP (70%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £16,241 GBP at With Clarity · As of October 30, 2026
View at With Clarity

About this 4.31ct lab-grown emerald diamond

This 4.31ct lab-grown emerald 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 LG811634225 or 811634225. Listed at 11 retailers as of October 30, 2026, with prices from £4,860 to £16,241, a £11,381 spread on the same certified stone. With Clarity lists it at £16,241. 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
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811634225
Dimensions10.70 × 7.58 × 5.17 mm
L/W Ratio1.41
Culet sizeLarge
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
10.70 mm7.58 mm4.31 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811634225
Side View
Table 64.0%Crown 39.6°Girdle: MED-STKPavilion 42.1°Culet: LargeDepth 68.2%

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 30
Current: £5,295 GBP|Low: £4,860 GBP|High: £16,722 GBP|Avg: £8,685 GBP|-13.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
With Clarity
October 30, 2026
Retailer 8£4,860 GBP
Retailer 7£5,120 GBP
Retailer 1£5,295 GBP
Retailer 2£6,286 GBP
Retailer 4£6,708 GBP
Retailer 9£7,638 GBP
Retailer 5£8,475 GBP
Retailer 3£8,665 GBP
Retailer 10£10,997 GBP
Retailer 6£14,573 GBP
With Clarity£16,241 GBP

41 data points across 11 retailers

11 retailers£4,860 GBP to £16,241 GBP

A
Cheapest Retailer
-
£4,860 GBP
$6,512 USD
A
Retailer 2
-
£5,120 GBP
HK$53,600 HKD
View
A
Retailer 3
-
£5,295 GBP
View
B+
Retailer 4
-
£6,286 GBP
$8,422 USD
View
B+
Retailer 5
-
£6,708 GBP
€8,560 EUR
View
B+
Retailer 6
-
£7,638 GBP
$10,234 USD
View
B+
Retailer 7
-
£8,475 GBP
View
B+
Retailer 8
-
£8,665 GBP
ZAR 187,562 ZAR
View
B
Retailer 9
-
£10,997 GBP
$14,735 USD
View
B
Retailer 10
-
£14,573 GBP
$19,526 USD
View
Most Expensive
B
With Clarity
811634225 · Oct 30
£16,241 GBP
$21,761 USD
View
10 more retailers have this diamond
Prices start from £4,860 GBPSave up to £11,381 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 Emerald
£4,860 GBP