Emerald|Lab Grown|IGI

1.71ct K VS1 Emerald Lab Grown Diamond

GD • K/VS1 • IGI LG499105278

Shape and cutting style on the report: Emerald cut

Certificate IGI LG499105278

Diamond specifications and retailer prices

From £1,670 GBP
As of November 6, 2026
Save £3,571 GBP (68%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £5,242 GBP at MOH London · As of November 5, 2026
View at MOH London

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 K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a standard cut grade and certified by IGI LG499105278 or 499105278. Listed at 10 retailers as of November 5, 2026, with prices from £1,670 to £5,242, a £3,571 spread on the same certified stone. MOH London lists it at £5,242. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.71
Carat
K
Colour
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499105278
Dimensions8.69 × 5.59 × 3.48 mm
L/W Ratio1.55
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.69 mm5.59 mm1.71 ctK / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499105278
Side View
Table 65.0%Crown 29°Girdle: MediumPavilion 37.8°Culet: LNGDepth 62.3%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: £5,242 GBP|Low: £1,603 GBP|High: £5,545 GBP|Avg: £2,864 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 8£1,670 GBP
Retailer 13£1,817 GBP
Retailer 9£1,937 GBP
Retailer 12£1,937 GBP
Retailer 5£1,948 GBP
Retailer 7£2,058 GBP
Retailer 3£2,444 GBP
Retailer 11£2,663 GBP
Retailer 10£3,025 GBP
Retailer 6£3,036 GBP
Retailer 2£3,572 GBP
MOH London£5,242 GBP
Retailer 4£5,545 GBP

22 data points across 13 retailers

10 retailers£1,670 GBP to £5,242 GBP

B+
Cheapest Retailer
-
£1,670 GBP
B+
Retailer 2
-
£1,817 GBP
View
B+
Retailer 3
-
£1,937 GBP
View
Retailer 4
-
£1,937 GBP
View
Price last confirmed 26 days ago
B+
Retailer 5
-
£2,058 GBP
View
B
Retailer 6
-
£2,663 GBP
View
B
Retailer 7
-
£3,025 GBP
View
B
Retailer 8
-
£3,036 GBP
View
B
Retailer 9
-
£3,572 GBP
View
Most Expensive
C
MOH London
LG499105278 · Nov 5
£5,242 GBP
View
9 more retailers have this diamond
Prices start from £1,670 GBPSave up to £3,571 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+
1.71ct Emerald
£1,670 GBP