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Emerald|Lab Grown|IGI

4.55ct D FL Emerald Lab Grown Diamond

ID • D/FL • IGI LG780661299

Shape and cutting style on the report: Emerald cut

Certificate IGI LG780661299

Diamond specifications and retailer prices

From £3,829 GBP
$5,131 USD
As of October 30, 2026
Save £22,538 GBP (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £26,368 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 4.55ct lab-grown emerald diamond

This 4.55ct 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 LG780661299 or 780661299. Listed at 15 retailers as of October 30, 2026, with prices from £3,829 to £26,368, a £22,538 spread on the same certified stone. Do Amore Diamonds lists it at £26,368. 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

4.55
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.3°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780661299
Dimensions11.05 × 7.88 × 5.10 mm
L/W Ratio1.40
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
11.05 mm7.88 mm4.55 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780661299
Side View
Table 67.0%Crown 31.3°Girdle: MED-STKPavilion 38.3°Culet: LargeDepth 64.7%

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: £26,368 GBP|Low: £3,829 GBP|High: £31,182 GBP|Avg: £9,619 GBP|-15.4%
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
October 30, 2026
Retailer 9£3,829 GBP
Retailer 4£4,017 GBP
Retailer 13£4,032 GBP
Retailer 15£4,459 GBP
Retailer 5£4,650 GBP
Retailer 14£5,575 GBP
Retailer 3£5,826 GBP
Retailer 6£5,884 GBP
Retailer 7£6,817 GBP
Retailer 12£6,869 GBP
Retailer 10£8,568 GBP
Retailer 11£10,040 GBP
Retailer 2£10,061 GBP
Retailer 8£12,275 GBP
Do Amore Diamonds£26,368 GBP

33 data points across 15 retailers

15 retailers£3,829 GBP to £26,368 GBP

A
Cheapest Retailer
-
£3,829 GBP
$5,131 USD
A
Retailer 2
-
£4,017 GBP
$5,382 USD
View
A
Retailer 3
-
£4,032 GBP
$5,402 USD
View
A
Retailer 4
-
£4,459 GBP
$5,975 USD
View
A
Retailer 5
-
£4,650 GBP
$6,230 USD
View
A
Retailer 6
-
£5,575 GBP
$7,470 USD
View
A
Retailer 7
-
£5,826 GBP
$7,806 USD
View
A
Retailer 8
-
£5,884 GBP
$7,884 USD
View
Final sale: no returns
Retailer 9
-
£6,817 GBP
$9,134 USD
View
Price last confirmed 81 days ago
B+
Retailer 10
-
£6,869 GBP
$9,204 USD
View
B+
Retailer 11
-
£8,568 GBP
€10,933 EUR
View
B+
Retailer 12
-
£10,040 GBP
View
B+
Retailer 13
-
£10,061 GBP
$13,480 USD
View
B+
Retailer 14
-
£12,275 GBP
$16,448 USD
View
Most Expensive
B
Do Amore Diamonds
27-07E4EB8F1 · Oct 30
£26,368 GBP
$35,330 USD
View
14 more retailers have this diamond
Prices start from £3,829 GBPSave up to £22,538 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
4.55ct Emerald
£3,829 GBP