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Emerald|Lab Grown|IGI

5.12ct D FL Emerald Lab Grown Diamond

ID • D/FL • IGI LG846662166

Shape and cutting style on the report: Emerald cut

Certificate IGI LG846662166

Diamond specifications and retailer prices

From £5,377 GBP
$7,205 USD
As of October 27, 2026
Save £28,178 GBP (84%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £33,555 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 5.12ct lab-grown emerald diamond

This 5.12ct lab-grown emerald sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846662166 or 846662166. Listed at 14 retailers as of October 27, 2026, with prices from £5,377 to £33,555, a £28,178 spread on the same certified stone. Do Amore Diamonds lists it at £33,555. 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

5.12
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846662166
Dimensions11.44 × 7.99 × 5.13 mm
L/W Ratio1.43
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
11.44 mm7.99 mm5.12 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846662166
Side View
Table 64.0%Crown 37.2°Girdle: STK-THKPavilion 38.2°Culet: LargeDepth 64.2%

Caratlytics Score

How it works →
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 27
Current: £33,555 GBP|Low: £5,377 GBP|High: £43,039 GBP|Avg: £15,906 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
Retailer 14
Retailer 15
October 27, 2026
Retailer 8£5,377 GBP
Retailer 10£5,500 GBP
Retailer 5£5,592 GBP
Retailer 12£5,965 GBP
Retailer 13£6,202 GBP
Retailer 11£7,053 GBP
Retailer 9£7,226 GBP
Retailer 3£7,744 GBP
Retailer 2£12,105 GBP
Retailer 14£12,799 GBP
Retailer 6£14,464 GBP
Retailer 15£17,351 GBP
Retailer 4£21,099 GBP
Do Amore Diamonds£33,555 GBP
Retailer 7£43,039 GBP

6 data points across 15 retailers

14 retailers£5,377 GBP to £33,555 GBP

A
Cheapest Retailer
-
£5,377 GBP
$7,205 USD
A
Retailer 2
-
£5,500 GBP
$7,369 USD
View
A
Retailer 3
-
£5,592 GBP
$7,493 USD
View
A
Retailer 4
-
£5,965 GBP
$7,993 USD
View
A
Retailer 5
-
£6,202 GBP
$8,310 USD
View
A
Retailer 6
-
£7,053 GBP
$9,450 USD
View
A
Retailer 7
-
£7,226 GBP
$9,682 USD
View
A
Retailer 8
-
£7,744 GBP
$10,376 USD
View
B+
Retailer 9
-
£12,105 GBP
€15,447 EUR
View
B+
Retailer 10
-
£12,799 GBP
View
Retailer 11
-
£14,464 GBP
$19,380 USD
View
Price last confirmed 14 days ago
B+
Retailer 12
-
£17,351 GBP
$23,249 USD
View
B
Retailer 13
-
£21,099 GBP
$28,270 USD
View
Most Expensive
B
Do Amore Diamonds
27-77EB7EAC3 · Oct 29
£33,555 GBP
$44,960 USD
View
13 more retailers have this diamond
Prices start from £5,377 GBPSave up to £28,178 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
5.12ct Emerald
£5,377 GBP