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Emerald|Lab Grown|IGI

1.21ct D VVS1 Emerald Lab Grown Diamond

EX • D/VVS1 • IGI LG763668520

Shape and cutting style on the report: Emerald cut

Certificate IGI LG763668520

Diamond specifications and retailer prices

From £136 GBP
$182 USD
As of October 30, 2026
Save £887 GBP (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,022 GBP at Brilliant Earth · As of October 30, 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG763668520 or 763668520. Listed at 19 retailers as of October 30, 2026, with prices from £136 to £1,022, a £887 spread on the same certified stone. Brilliant Earth lists it at £1,022. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle29.7°
Pavilion angle43.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG763668520
Dimensions6.94 × 4.96 × 3.45 mm
L/W Ratio1.40
Culet sizeLarge
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.94 mm4.96 mm1.21 ctD / VVS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG763668520
Side View
Table 60.0%Crown 29.7°Girdle: ThickPavilion 43.6°Culet: LargeDepth 69.6%

Caratlytics Score

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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 30
Current: £1,022 GBP|Low: £110 GBP|High: £1,403 GBP|Avg: £452 GBP|-27.1%
Brilliant Earth
Retailer 2
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Retailer 19
October 31, 2026
Retailer 4£136 GBP
Retailer 19£152 GBP
Retailer 5£157 GBP
Retailer 9£169 GBP
Retailer 10£169 GBP
Retailer 12£286 GBP
Retailer 17£289 GBP
Retailer 7£298 GBP
Retailer 2£304 GBP
Retailer 6£353 GBP
Retailer 8£428 GBP
Retailer 3£442 GBP
Retailer 14£541 GBP
Retailer 11£562 GBP
Retailer 15£582 GBP
Retailer 18£735 GBP
Retailer 13£791 GBP
Retailer 16£848 GBP
Brilliant Earth£1,022 GBP

36 data points across 19 retailers

19 retailers£136 GBP to £1,022 GBP

A
Cheapest Retailer
-
£136 GBP
$182 USD
A
Retailer 2
-
£152 GBP
$203 USD
View
Final sale: no returns
A
Retailer 3
-
£157 GBP
$211 USD
View
A
Retailer 4
-
£169 GBP
$226 USD
View
A
Retailer 5
-
£169 GBP
$226 USD
View
A
Retailer 6
-
£286 GBP
€365 EUR
View
A
Retailer 7
-
£289 GBP
ZAR 6,259 ZAR
View
A
Retailer 8
-
£298 GBP
$399 USD
View
A
Retailer 9
-
£304 GBP
View
A
Retailer 10
-
£353 GBP
$473 USD
View
B+
Retailer 11
-
£428 GBP
$573 USD
View
B+
Retailer 12
-
£442 GBP
$592 USD
View
B+
Retailer 13
-
£541 GBP
$725 USD
View
B+
Retailer 14
-
£562 GBP
$753 USD
View
B+
Retailer 15
-
£582 GBP
$780 USD
View
B
Retailer 16
-
£735 GBP
$985 USD
View
B
Retailer 17
-
£791 GBP
View
B
Retailer 18
-
£848 GBP
$1,136 USD
View
Most Expensive
B
Brilliant Earth
18477164A · Oct 30
£1,022 GBP
$1,370 USD
View
18 more retailers have this diamond
Prices start from £136 GBPSave up to £887 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
£136 GBP