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Emerald|Lab Grown|IGI

4.12ct D FL Emerald Lab Grown Diamond

ID • D/FL • IGI LG791609743

Shape and cutting style on the report: Emerald cut

Certificate IGI LG791609743

Diamond specifications and retailer prices

From £3,235 GBP
$4,308 USD
As of October 30, 2026
Save £19,023 GBP (85%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £22,258 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 4.12ct lab-grown emerald diamond

This 4.12ct 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 LG791609743 or 791609743. Listed at 23 retailers as of October 29, 2026, with prices from £3,235 to £22,258, a £19,023 spread on the same certified stone. Do Amore Diamonds lists it at £22,258. 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

4.12
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791609743
Dimensions10.95 × 7.58 × 5.02 mm
L/W Ratio1.44
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
10.95 mm7.58 mm4.12 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791609743
Side View
Table 64.0%Crown 31.7°Girdle: Slightly ThickPavilion 40.7°Culet: LargeDepth 66.2%

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: £22,258 GBP|Low: £3,367 GBP|High: £22,258 GBP|Avg: £7,539 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
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Retailer 8
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Retailer 11
Retailer 12
Retailer 13
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Retailer 15
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Retailer 18
October 30, 2026
Retailer 17£3,367 GBP
Retailer 14£3,390 GBP
Retailer 8£3,622 GBP
Retailer 7£3,753 GBP
Retailer 16£3,788 GBP
Retailer 15£4,883 GBP
Retailer 2£5,273 GBP
Retailer 3£5,386 GBP
Retailer 10£5,848 GBP
Retailer 18£6,086 GBP
Retailer 12£6,460 GBP
Retailer 13£8,623 GBP
Retailer 11£8,817 GBP
Retailer 4£10,331 GBP
Retailer 5£13,167 GBP
Retailer 6£14,836 GBP
Retailer 9£19,003 GBP
Do Amore Diamonds£22,258 GBP

42 data points across 18 retailers

23 retailers£3,235 GBP to £22,258 GBP

A
Cheapest Retailer
-
£3,235 GBP
$4,308 USD
A
Retailer 2
-
£3,367 GBP
$4,484 USD
View
A
Retailer 3
-
£3,390 GBP
$4,515 USD
View
A
Retailer 4
-
£3,622 GBP
$4,824 USD
View
Final sale: no returns
A
Retailer 5
-
£3,753 GBP
$4,998 USD
View
Retailer 6
-
£3,753 GBP
$4,998 USD
View
Price last confirmed 14 days ago
A
Retailer 7
-
£3,788 GBP
$5,045 USD
View
A
Retailer 8
-
£4,883 GBP
$6,503 USD
View
A
Retailer 9
-
£5,176 GBP
$6,893 USD
View
A
Retailer 10
-
£5,273 GBP
View
A
Retailer 11
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£5,386 GBP
$7,172 USD
View
B+
Retailer 12
-
£5,848 GBP
View
Retailer 13
-
£6,086 GBP
$8,105 USD
View
Price last confirmed 12 days ago
B+
Retailer 14
-
£6,460 GBP
€8,193 EUR
View
B+
Retailer 15
-
£8,623 GBP
View
B+
Retailer 16
-
£8,817 GBP
ZAR 189,674 ZAR
View
B
Retailer 17
-
£10,331 GBP
$13,757 USD
View
B+
Retailer 18
-
£11,357 GBP
$15,124 USD
View
B
Retailer 19
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£13,167 GBP
$17,534 USD
View
B
Retailer 20
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£14,714 GBP
$19,595 USD
View
B
Retailer 21
-
£14,836 GBP
$19,757 USD
View
B
Retailer 22
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£19,003 GBP
$25,306 USD
View
Most Expensive
B
Do Amore Diamonds
27-A73A0B3A7 · Oct 29
£22,258 GBP
$29,640 USD
View
22 more retailers have this diamond
Prices start from £3,235 GBPSave up to £19,023 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
4.12ct Emerald
£3,235 GBP