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Emerald|Lab Grown|IGI

3.18ct D IF Emerald Lab Grown Diamond

EX • D/IF • IGI LG800684550

Shape and cutting style on the report: Emerald cut

Certificate IGI LG800684550

Diamond specifications and retailer prices

From £925 GBP
$1,239 USD
As of October 30, 2026
Save £7,285 GBP (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £8,210 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.18ct lab-grown emerald diamond

This 3.18ct lab-grown emerald sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800684550 or 800684550. Listed at 16 retailers as of October 30, 2026, with prices from £925 to £8,210, a £7,285 spread on the same certified stone. Do Amore Diamonds lists it at £8,210. 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

3.18
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800684550
Dimensions9.71 × 6.92 × 4.53 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
9.71 mm6.92 mm3.18 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800684550
Side View
Table 63.0%Crown 32.2°Girdle: ThickPavilion 36.5°Culet: LargeDepth 65.5%

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: £8,210 GBP|Low: £925 GBP|High: £8,210 GBP|Avg: £2,860 GBP|+15.5%
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
Retailer 16
October 31, 2026
Retailer 12£925 GBP
Retailer 2£1,005 GBP
Retailer 8£1,158 GBP
Retailer 11£1,193 GBP
Retailer 5£1,235 GBP
Retailer 15£1,839 GBP
Retailer 9£1,864 GBP
Retailer 10£2,054 GBP
Retailer 13£2,106 GBP
Retailer 16£2,407 GBP
Retailer 3£2,976 GBP
Retailer 14£3,687 GBP
Retailer 4£4,123 GBP
Retailer 6£5,037 GBP
Retailer 7£6,478 GBP
Do Amore Diamonds£8,210 GBP

33 data points across 16 retailers

16 retailers£925 GBP to £8,210 GBP

A
Cheapest Retailer
-
£925 GBP
$1,239 USD
A
Retailer 2
-
£1,005 GBP
$1,347 USD
View
A
Retailer 3
-
£1,158 GBP
$1,552 USD
View
Final sale: no returns
A
Retailer 4
-
£1,193 GBP
$1,598 USD
View
A
Retailer 5
-
£1,235 GBP
$1,655 USD
View
A
Retailer 6
-
£1,839 GBP
$2,464 USD
View
A
Retailer 7
-
£1,864 GBP
$2,498 USD
View
A
Retailer 8
-
£2,054 GBP
$2,752 USD
View
A
Retailer 9
-
£2,106 GBP
€2,687 EUR
View
A
Retailer 10
-
£2,407 GBP
$3,225 USD
View
Retailer 11
-
£2,976 GBP
A$6,134 AUD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
£3,687 GBP
View
Retailer 13
-
£4,123 GBP
$5,525 USD
View
Price last confirmed 12 days ago
Retailer 14
-
£5,037 GBP
A$10,384 AUD
View
Price last confirmed 22 days ago
B
Retailer 15
-
£6,478 GBP
$8,680 USD
View
Most Expensive
B
Do Amore Diamonds
27-8ACDEAF1F · Oct 31
£8,210 GBP
$11,000 USD
View
15 more retailers have this diamond
Prices start from £925 GBPSave up to £7,285 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
3.18ct Emerald
£925 GBP