Emerald|Lab Grown|IGI

1.71ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1

Diamond specifications and retailer prices

From £164 GBP
$219 USD
As of October 24, 2026
Save £555 GBP (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £719 GBP at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI. Listed at 13 retailers as of October 24, 2026, with prices from £164 to £719, a £555 spread on the same certified stone. The Diamond Guys lists it at £719. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.71
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions8.05 × 5.72 × 3.77 mm
L/W Ratio1.41
Top View
8.05 mm5.72 mm1.71 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 64.5%CrownGirdle: MediumPavilionCulet: LNGDepth 65.9%

Caratlytics Score

How it works →
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 24
Current: £625 GBP|Low: £137 GBP|High: £719 GBP|Avg: £448 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
The Diamond Guys
October 28, 2026
Retailer 3£142 GBP
Retailer 2£164 GBP
Retailer 5£321 GBP
Retailer 4£543 GBP
Retailer 1£625 GBP
The Diamond Guys£719 GBP

10 data points across 6 retailers

13 retailers£164 GBP to £719 GBP

Retailer 1
-
£137 GBP
$182 USD
Price last confirmed 22 days ago
Retailer 2
-
£142 GBP
$189 USD
View
Price last confirmed 9 days ago
Retailer 3
-
£142 GBP
$189 USD
View
Price last confirmed 11 days ago
A
Retailer 4
-
£164 GBP
$219 USD
View
Retailer 5
-
£164 GBP
$219 USD
View
Price last confirmed 10 days ago
Retailer 6
-
£321 GBP
$428 USD
View
Price last confirmed 15 days ago
B
Retailer 7
-
£543 GBP
CA$1,005 CAD
View
Retailer 8
-
£625 GBP
$832 USD
View
Price last confirmed 32 days ago
B
Retailer 9
-
£625 GBP
$832 USD
View
B
Retailer 10
-
£625 GBP
$832 USD
View
Retailer 11
-
£625 GBP
$832 USD
View
Price last confirmed 20 days ago
Retailer 12
-
£625 GBP
$832 USD
View
Price last confirmed 11 days ago
Most Expensive
B
The Diamond Guys
1787445854 · Oct 30
£719 GBP
$958 USD
View
12 more retailers have this diamond
Prices start from £164 GBPSave up to £555 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
£164 GBP