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Emerald|Lab Grown|IGI

4.23ct D FL Emerald Lab Grown Diamond

EX • D/FL • IGI LG833668481

Shape and cutting style on the report: Emerald cut

Certificate IGI LG833668481

Diamond specifications and retailer prices

From £3,508 GBP
$4,701 USD
As of October 30, 2026
Save £19,180 GBP (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £22,688 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 4.23ct lab-grown emerald diamond

This 4.23ct 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 LG833668481 or 833668481. Listed at 14 retailers as of October 29, 2026, with prices from £3,508 to £22,688, a £19,180 spread on the same certified stone. Do Amore Diamonds lists it at £22,688. 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

4.23
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833668481
Dimensions10.76 × 7.65 × 5.18 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
10.76 mm7.65 mm4.23 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833668481
Side View
Table 65.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: LargeDepth 67.7%

Caratlytics Score

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A
Excellent
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: £22,688 GBP|Low: £3,508 GBP|High: £22,688 GBP|Avg: £9,423 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
October 30, 2026
Retailer 12£3,508 GBP
Retailer 10£3,693 GBP
Retailer 9£3,855 GBP
Retailer 7£4,977 GBP
Retailer 2£5,380 GBP
Retailer 3£5,495 GBP
Retailer 8£5,971 GBP
Retailer 13£6,094 GBP
Retailer 6£8,986 GBP
Retailer 11£10,529 GBP
Retailer 5£15,015 GBP
Retailer 4£19,903 GBP
Do Amore Diamonds£22,688 GBP

21 data points across 13 retailers

14 retailers£3,508 GBP to £22,688 GBP

A
Cheapest Retailer
-
£3,508 GBP
$4,701 USD
A
Retailer 2
-
£3,693 GBP
$4,948 USD
View
Final sale: no returns
A
Retailer 3
-
£3,855 GBP
$5,165 USD
View
A
Retailer 4
-
£4,977 GBP
$6,669 USD
View
A
Retailer 5
-
£5,380 GBP
View
A
Retailer 6
-
£5,495 GBP
$7,363 USD
View
B+
Retailer 7
-
£5,971 GBP
View
Retailer 8
-
£6,094 GBP
$8,165 USD
View
Price last confirmed 12 days ago
B+
Retailer 9
-
£8,986 GBP
ZAR 194,514 ZAR
View
B
Retailer 10
-
£10,529 GBP
$14,108 USD
View
B
Retailer 11
-
£15,015 GBP
$20,119 USD
View
B
Retailer 12
-
£16,636 GBP
$22,290 USD
View
B
Retailer 13
-
£19,903 GBP
$26,668 USD
View
Most Expensive
B
Do Amore Diamonds
27-1D08E1350 · Oct 29
£22,688 GBP
$30,400 USD
View
13 more retailers have this diamond
Prices start from £3,508 GBPSave up to £19,180 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
4.23ct Emerald
£3,508 GBP