Emerald|Lab Grown|IGI

1.21ct D VS1 Emerald Lab Grown Diamond

VG • D/VS1 • IGI LG845635167

Shape and cutting style on the report: Emerald cut

Certificate IGI LG845635167

Diamond specifications and retailer prices

From £120 GBP
$161 USD
As of October 27, 2026
Save £843 GBP (88%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £963 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.21ct lab-grown emerald diamond

This 1.21ct lab-grown emerald sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG845635167 or 845635167. Listed at 20 retailers as of October 27, 2026, with prices from £120 to £963, a £843 spread on the same certified stone. Brilliant Earth lists it at £963. 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

1.21
Carat
D
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle45.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845635167
Dimensions7.72 × 4.67 × 3.22 mm
L/W Ratio1.65
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.72 mm4.67 mm1.21 ctD / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845635167
Side View
Table 62.0%Crown 36.8°Girdle: MediumPavilion 45.4°Culet: LargeDepth 69.0%

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: Oct 27
Current: £256 GBP|Low: £120 GBP|High: £707 GBP|Avg: £336 GBP|-6.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 1, 2026
Retailer 4£120 GBP
Retailer 17£131 GBP
Retailer 11£141 GBP
Retailer 7£151 GBP
Retailer 8£151 GBP
Retailer 18£200 GBP
Retailer 19£250 GBP
Retailer 1£256 GBP
Retailer 2£256 GBP
Retailer 13£336 GBP
Retailer 6£366 GBP
Retailer 12£389 GBP
Retailer 15£482 GBP
Retailer 10£486 GBP
Retailer 16£499 GBP
Retailer 3£502 GBP
Retailer 9£508 GBP
Retailer 14£510 GBP
Retailer 5£703 GBP

13 data points across 19 retailers

20 retailers£120 GBP to £963 GBP

A
Cheapest Retailer
-
£120 GBP
$161 USD
A
Retailer 2
-
£131 GBP
$176 USD
View
Final sale: no returns
Retailer 3
-
£141 GBP
$189 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
£151 GBP
$202 USD
View
A
Retailer 5
-
£151 GBP
$202 USD
View
B+
Retailer 6
-
£200 GBP
$268 USD
View
A
Retailer 7
-
£250 GBP
€319 EUR
View
A
Retailer 8
-
£256 GBP
View
A
Retailer 9
-
£256 GBP
ZAR 5,551 ZAR
View
A
Retailer 10
-
£336 GBP
$450 USD
View
B+
Retailer 11
-
£366 GBP
A$755 AUD
View
B+
Retailer 12
-
£389 GBP
$521 USD
View
B+
Retailer 13
-
£482 GBP
SGD 872 SGD
View
Retailer 14
-
£486 GBP
$651 USD
View
Price last confirmed 7 days ago
B+
Retailer 15
-
£499 GBP
$668 USD
View
B
Retailer 16
-
£502 GBP
A$1,034 AUD
View
B
Retailer 17
-
£508 GBP
$680 USD
View
B+
Retailer 18
-
£510 GBP
$684 USD
View
B
Retailer 19
-
£703 GBP
View
Most Expensive
B
Brilliant Earth
22291954A · Oct 31
£963 GBP
$1,290 USD
View
19 more retailers have this diamond
Prices start from £120 GBPSave up to £843 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
1.21ct Emerald
£120 GBP