Emerald|Lab Grown|IGI

1.71ct G VS1 Emerald Lab Grown Diamond

EX • G/VS1 • IGI LG725510639

Shape and cutting style on the report: Emerald cut

Certificate IGI LG725510639

Diamond specifications and retailer prices

From £173 GBP
$232 USD
As of October 30, 2026
Save £715 GBP (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £888 GBP at Brilliant Earth · As of October 30, 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG725510639 or 725510639. Listed at 18 retailers as of October 30, 2026, with prices from £173 to £888, a £715 spread on the same certified stone. Brilliant Earth lists it at £888. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle42.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG725510639
Dimensions8.42 × 5.38 × 3.88 mm
L/W Ratio1.57
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.42 mm5.38 mm1.71 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG725510639
Side View
Table 64.0%Crown 34.8°Girdle: MED-STKPavilion 42.8°Culet: LargeDepth 72.1%

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: £888 GBP|Low: £163 GBP|High: £1,082 GBP|Avg: £527 GBP|-17.9%
Brilliant Earth
Retailer 2
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Retailer 11
Retailer 12
Retailer 13
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Retailer 19
October 30, 2026
Retailer 18£173 GBP
Retailer 7£201 GBP
Retailer 3£215 GBP
Retailer 10£215 GBP
Retailer 12£353 GBP
Retailer 6£364 GBP
Retailer 13£369 GBP
Retailer 2£405 GBP
Retailer 8£444 GBP
Retailer 5£465 GBP
Retailer 14£501 GBP
Retailer 17£564 GBP
Retailer 4£690 GBP
Retailer 9£729 GBP
Retailer 11£739 GBP
Retailer 16£851 GBP
Retailer 15£862 GBP
Retailer 19£874 GBP
Brilliant Earth£888 GBP

34 data points across 19 retailers

18 retailers£173 GBP to £888 GBP

A
Cheapest Retailer
-
£173 GBP
$232 USD
A
Retailer 2
-
£201 GBP
$269 USD
View
A
Retailer 3
-
£215 GBP
$288 USD
View
A
Retailer 4
-
£215 GBP
$288 USD
View
A
Retailer 5
-
£353 GBP
€450 EUR
View
B+
Retailer 6
-
£364 GBP
$488 USD
View
A
Retailer 7
-
£369 GBP
ZAR 7,983 ZAR
View
A
Retailer 8
-
£405 GBP
View
B+
Retailer 9
-
£444 GBP
$595 USD
View
B+
Retailer 10
-
£465 GBP
$623 USD
View
B+
Retailer 11
-
£501 GBP
A$1,033 AUD
View
B+
Retailer 12
-
£564 GBP
$756 USD
View
B
Retailer 13
-
£690 GBP
$925 USD
View
B+
Retailer 14
-
£729 GBP
$977 USD
View
Retailer 15
-
£851 GBP
$1,140 USD
View
Price last confirmed 12 days ago
B
Retailer 16
-
£862 GBP
View
B
Retailer 17
-
£874 GBP
$1,171 USD
View
Most Expensive
B
Brilliant Earth
18656582A · Oct 30
£888 GBP
$1,190 USD
View
17 more retailers have this diamond
Prices start from £173 GBPSave up to £715 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
£173 GBP