Emerald|Lab Grown|IGI

1.23ct I VS1 Emerald Lab Grown Diamond

ID • I/VS1 • IGI LG500143699

Shape and cutting style on the report: Emerald cut

Certificate IGI LG500143699

Diamond specifications and retailer prices

From $810 USD
As of October 29, 2026
Save $2,399 USD (75%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,130 USD at Flawless Fine Jewelry · As of October 29, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG500143699 or 500143699. Listed at 13 retailers as of October 28, 2026, with a 296% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle21.6°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG500143699
Dimensions7.62 × 4.96 × 3.13 mm
L/W Ratio1.54
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.62 mm4.96 mm1.23 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG500143699
Side View
Table 62.5%Crown 21.6°Girdle: MED-STKPavilion 36.6°Culet: LNGDepth 63.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $4,130 USD|Low: $810 USD|High: $4,956 USD|Avg: $2,584 USD
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
Retailer 15
Retailer 16
October 29, 2026
Retailer 11$810 USD
Retailer 10$1,476 USD
Retailer 16$1,606 USD
Retailer 3$1,652 USD
Retailer 12$1,712 USD
Retailer 15$1,712 USD
Retailer 5$1,885 USD
Retailer 8$1,917 USD
Retailer 6$2,310 USD
Retailer 13$2,699 USD
Retailer 4$3,107 USD
Retailer 2$3,147 USD
Retailer 14$3,209 USD
Flawless Fine Jewelry$4,130 USD
Retailer 7$4,902 USD
Retailer 9$4,916 USD

21 data points across 16 retailers

13 retailers$810 USD to $3,209 USD

B+
Cheapest Retailer
-
$810 USD
B
Retailer 2
-
$1,476 USD
View
B
Retailer 3
-
$1,606 USD
View
B
Retailer 4
-
$1,652 USD
View
Final sale: no returns
B
Retailer 5
-
$1,712 USD
View
Retailer 6
-
$1,712 USD
View
Price last confirmed 17 days ago
B
Retailer 7
-
$1,885 USD
View
B
Retailer 8
-
$2,699 USD
View
B
Retailer 9
-
$3,107 USD
View
B
Retailer 10
-
$3,147 USD
ZAR 50,848 ZAR
View
B
Retailer 11
-
$3,209 USD
View
Most Expensive
Flawless Fine Jewelry
285158CCF · Oct 29
$4,130 USD
£3,252 GBP
View
Price under review
11 more retailers have this diamond
Prices start from $810 USDSave up to $2,399 USD

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.

B+
1.23ct Emerald
$810 USD