Emerald|Lab Grown|IGI

1.71ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG797643174

Shape and cutting style on the report: Emerald cut

Certificate IGI LG797643174

Diamond specifications and retailer prices

From £457 GBP
$609 USD
As of October 29, 2026
Save £2,952 GBP (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £3,409 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.71ct lab-grown emerald diamond

This 1.71ct lab-grown emerald sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG797643174 or 797643174. Listed at 21 retailers as of October 29, 2026, with prices from £457 to £3,409, a £2,952 spread on the same certified stone. Brilliant Earth lists it at £3,409. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797643174
Dimensions8.76 × 5.47 × 3.60 mm
L/W Ratio1.60
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.76 mm5.47 mm1.71 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797643174
Side View
Table 61.0%Crown 33.9°Girdle: MediumPavilion 40.1°Culet: LargeDepth 65.8%

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 29
Current: £3,409 GBP|Low: £457 GBP|High: £3,597 GBP|Avg: £1,431 GBP|-5.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 8£457 GBP
Retailer 11£612 GBP
Retailer 6£773 GBP
Retailer 2£790 GBP
Retailer 7£871 GBP
Retailer 3£1,140 GBP
Retailer 10£1,187 GBP
Retailer 4£1,326 GBP
Retailer 5£1,476 GBP
Retailer 13£1,632 GBP
Retailer 9£2,118 GBP
Retailer 12£2,519 GBP
Brilliant Earth£3,409 GBP

39 data points across 13 retailers

21 retailers£457 GBP to £3,409 GBP

Retailer 1
-
£392 GBP
$522 USD
Price last confirmed 28 days ago
A
Retailer 2
-
£457 GBP
$609 USD
View
Final sale: no returns
Retailer 3
-
£458 GBP
$610 USD
View
Price last confirmed 20 days ago
Retailer 4
-
£507 GBP
$675 USD
View
Price last confirmed 27 days ago
A
Retailer 5
-
£612 GBP
$815 USD
View
A
Retailer 6
-
£680 GBP
$905 USD
View
A
Retailer 7
-
£773 GBP
€981 EUR
View
A
Retailer 8
-
£790 GBP
View
A
Retailer 9
-
£871 GBP
ZAR 18,737 ZAR
View
B+
Retailer 10
-
£1,009 GBP
$1,344 USD
View
B+
Retailer 11
-
£1,140 GBP
$1,518 USD
View
Retailer 12
-
£1,187 GBP
A$2,432 AUD
View
Price last confirmed 9 days ago
Retailer 13
-
£1,326 GBP
A$2,717 AUD
View
Price last confirmed 25 days ago
Retailer 14
-
£1,333 GBP
$1,775 USD
View
Price last confirmed 22 days ago
B
Retailer 15
-
£1,476 GBP
View
B+
Retailer 16
-
£1,632 GBP
$2,173 USD
View
B
Retailer 17
-
£1,645 GBP
$2,190 USD
View
B
Retailer 18
-
£1,721 GBP
$2,292 USD
View
B
Retailer 19
-
£2,118 GBP
View
B
Retailer 20
-
£2,519 GBP
$3,355 USD
View
Most Expensive
B
Brilliant Earth
21495782A · Oct 29
£3,409 GBP
$4,540 USD
View
20 more retailers have this diamond
Prices start from £457 GBPSave up to £2,952 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
1.71ct Emerald
£457 GBP