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Emerald|Lab Grown|IGI

1.23ct I VS2 Emerald Lab Grown Diamond

ID • I/VS2 • IGI LG754510485

Shape and cutting style on the report: Emerald cut

Certificate IGI LG754510485

Diamond specifications and retailer prices

From £107 GBP
$143 USD
As of October 30, 2026
Save £587 GBP (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £694 GBP at Flawless Fine Jewelry · As of October 31, 2026
View at Flawless Fine Jewelry

About this 1.23ct lab-grown emerald diamond

This 1.23ct lab-grown emerald sits in the classic one-carat band, graded I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG754510485 or 754510485. Listed at 14 retailers as of October 30, 2026, with prices from £107 to £694, a £587 spread on the same certified stone. Flawless Fine Jewelry lists it at £694. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
I
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754510485
Dimensions7.09 × 5.00 × 3.39 mm
L/W Ratio1.42
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.09 mm5.00 mm1.23 ctI / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754510485
Side View
Table 64.0%Crown 34.2°Girdle: MediumPavilion 40.5°Culet: LargeDepth 67.8%

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: £694 GBP|Low: £104 GBP|High: £705 GBP|Avg: £349 GBP|+5.2%
Flawless Fine Jewelry
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
November 1, 2026
Retailer 3£107 GBP
Retailer 9£124 GBP
Retailer 7£133 GBP
Retailer 5£136 GBP
Retailer 14£247 GBP
Retailer 11£255 GBP
Retailer 4£255 GBP
Retailer 12£322 GBP
Retailer 8£426 GBP
Retailer 10£450 GBP
Retailer 13£470 GBP
Retailer 6£473 GBP
Retailer 2£620 GBP
Flawless Fine Jewelry£694 GBP

28 data points across 14 retailers

14 retailers£107 GBP to £694 GBP

A
Cheapest Retailer
-
£107 GBP
$143 USD
A
Retailer 2
-
£124 GBP
$166 USD
View
A
Retailer 3
-
£133 GBP
$178 USD
View
Retailer 4
-
£136 GBP
$182 USD
View
Price last confirmed 7 days ago
B+
Retailer 5
-
£247 GBP
$331 USD
View
A
Retailer 6
-
£255 GBP
$342 USD
View
A
Retailer 7
-
£255 GBP
€326 EUR
View
A
Retailer 8
-
£322 GBP
$431 USD
View
B+
Retailer 9
-
£426 GBP
$571 USD
View
B+
Retailer 10
-
£450 GBP
$603 USD
View
B+
Retailer 11
-
£470 GBP
$630 USD
View
Retailer 12
-
£473 GBP
$634 USD
View
Price last confirmed 14 days ago
B+
Retailer 13
-
£620 GBP
View
Most Expensive
B
Flawless Fine Jewelry
02DD89753 · Oct 31
£694 GBP
View
13 more retailers have this diamond
Prices start from £107 GBPSave up to £587 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
1.23ct Emerald
£107 GBP