Emerald|Lab Grown|IGI

3.17ct D IF Emerald Lab Grown Diamond

EX • D/IF • IGI LG789613638

Shape and cutting style on the report: Emerald cut

Certificate IGI LG789613638

Diamond specifications and retailer prices

From £5,536 GBP
$7,418 USD
As of October 31, 2026
Save £7,476 GBP (57%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £16,534 GBP at Frank Darling · As of October 31, 2026
View at Frank Darling

About this 3.17ct lab-grown emerald diamond

This 3.17ct 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 LG789613638 or 789613638. Listed at 6 retailers as of October 27, 2026, with a 135% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.17
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG789613638
Dimensions10.19 × 6.95 × 4.55 mm
L/W Ratio1.47
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
10.19 mm6.95 mm3.17 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG789613638
Side View
Table 63.0%Crown 32.9°Girdle: MediumPavilion 42.1°Culet: LargeDepth 65.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £16,534 GBP|Low: £5,536 GBP|High: £22,288 GBP|Avg: £13,082 GBP|-25.8%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 4, 2026
Retailer 3£5,536 GBP
Retailer 6£6,608 GBP
Retailer 2£10,001 GBP
Retailer 5£13,012 GBP
Frank Darling£16,534 GBP
Retailer 4£21,362 GBP

4 data points across 6 retailers

6 retailers£5,536 GBP to £13,012 GBP

B+
Cheapest Retailer
-
£5,536 GBP
$7,418 USD
B
Retailer 2
-
£6,608 GBP
$8,854 USD
View
B
Retailer 3
-
£10,001 GBP
$13,400 USD
View
B
Retailer 4
-
£13,012 GBP
$17,435 USD
View
Most Expensive
Frank Darling
VD_4411EC · Oct 31
£16,534 GBP
$22,154 USD
View
Price under review
4 more retailers have this diamond
Prices start from £5,536 GBPSave up to £7,476 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.

B+
3.17ct Emerald
£5,536 GBP