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Emerald|Lab Grown|IGI

1.61ct F SI1 Emerald Lab Grown Diamond

ID • F/SI1 • IGI LG668410127

Shape and cutting style on the report: Emerald cut

Certificate IGI LG668410127

Diamond specifications and retailer prices

From £131 GBP
$176 USD
As of November 1, 2026
Save £1,197 GBP (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,328 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.61ct lab-grown emerald diamond

This 1.61ct lab-grown emerald sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG668410127 or 668410127. Listed at 13 retailers as of October 31, 2026, with prices from £131 to £1,328, a £1,197 spread on the same certified stone. Brilliant Earth lists it at £1,328. 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

1.61
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle46.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG668410127
Dimensions8.00 × 5.61 × 3.76 mm
L/W Ratio1.43
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.00 mm5.61 mm1.61 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG668410127
Side View
Table 66.0%Crown 32.9°Girdle: MediumPavilion 46.6°Culet: LargeDepth 67.0%

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: Nov 1
Current: £1,328 GBP|Low: £131 GBP|High: £1,373 GBP|Avg: £455 GBP|-3.3%
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
November 2, 2026
Retailer 11£131 GBP
Retailer 5£147 GBP
Retailer 7£153 GBP
Retailer 13£163 GBP
Retailer 4£166 GBP
Retailer 10£290 GBP
Retailer 2£293 GBP
Retailer 12£303 GBP
Retailer 9£360 GBP
Retailer 6£525 GBP
Retailer 8£554 GBP
Retailer 3£777 GBP
Brilliant Earth£1,328 GBP

43 data points across 13 retailers

13 retailers£131 GBP to £1,328 GBP

A
Cheapest Retailer
-
£131 GBP
$176 USD
A
Retailer 2
-
£147 GBP
$197 USD
View
Final sale: no returns
A
Retailer 3
-
£153 GBP
$205 USD
View
A
Retailer 4
-
£163 GBP
$219 USD
View
Retailer 5
-
£166 GBP
$222 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
£290 GBP
$388 USD
View
A
Retailer 7
-
£293 GBP
View
A
Retailer 8
-
£303 GBP
€387 EUR
View
A
Retailer 9
-
£360 GBP
$483 USD
View
B+
Retailer 10
-
£525 GBP
$703 USD
View
B+
Retailer 11
-
£554 GBP
$742 USD
View
B
Retailer 12
-
£777 GBP
View
Most Expensive
B
Brilliant Earth
13217359A · Oct 31
£1,328 GBP
$1,780 USD
View
12 more retailers have this diamond
Prices start from £131 GBPSave up to £1,197 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
1.61ct Emerald
£131 GBP