CaratHunter
Plans
Emerald|Lab Grown|IGI

1.71ct E SI1 Emerald Lab Grown Diamond

GD • E/SI1 • IGI LG579384982

Shape and cutting style on the report: Emerald cut

Certificate IGI LG579384982

Diamond specifications and retailer prices

From £159 GBP
$212 USD
As of October 30, 2026
Save £1,373 GBP (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,532 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 E colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG579384982 or 579384982. Listed at 13 retailers as of October 29, 2026, with prices from £159 to £1,532, a £1,373 spread on the same certified stone. Do Amore Diamonds lists it at £1,532. 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
E
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG579384982
Dimensions7.89 × 5.63 × 3.80 mm
L/W Ratio1.40
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
7.89 mm5.63 mm1.71 ctE / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG579384982
Side View
Table 66.0%Crown 40°Girdle: MediumPavilion 39.2°Culet: LNGDepth 67.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £1,532 GBP|Low: £118 GBP|High: £1,532 GBP|Avg: £566 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 11£118 GBP
Retailer 8£178 GBP
Retailer 7£185 GBP
Retailer 3£186 GBP
Retailer 6£340 GBP
Retailer 2£411 GBP
Retailer 9£451 GBP
Retailer 5£637 GBP
Retailer 4£878 GBP
Retailer 10£1,269 GBP
Do Amore Diamonds£1,532 GBP

42 data points across 11 retailers

13 retailers£159 GBP to £1,532 GBP

A
Cheapest Retailer
-
£159 GBP
$212 USD
B+
Retailer 2
-
£178 GBP
$237 USD
View
Final sale: no returns
B+
Retailer 3
-
£185 GBP
$246 USD
View
B+
Retailer 4
-
£197 GBP
$263 USD
View
B+
Retailer 5
-
£197 GBP
$263 USD
View
B
Retailer 6
-
£340 GBP
$453 USD
View
B+
Retailer 7
-
£411 GBP
View
B+
Retailer 8
-
£451 GBP
$601 USD
View
B
Retailer 9
-
£637 GBP
$848 USD
View
B
Retailer 10
-
£701 GBP
$933 USD
View
B
Retailer 11
-
£878 GBP
View
Retailer 12
-
£930 GBP
$1,238 USD
View
Most Expensive
C
Do Amore Diamonds
27-600512CBB · Oct 29
£1,532 GBP
$2,040 USD
View
12 more retailers have this diamond
Prices start from £159 GBPSave up to £1,373 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
£159 GBP