Emerald|Lab Grown|IGI

1.73ct I SI1 Emerald Lab Grown Diamond

ID • I/SI1 • IGI LG425067306

Shape and cutting style on the report: Emerald cut

Certificate IGI LG425067306

Diamond specifications and retailer prices

From $1,490 USD
As of October 27, 2026
Save $3,473 USD (70%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,963 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.73ct lab-grown emerald diamond

This 1.73ct lab-grown emerald sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG425067306 or 425067306. Listed at 11 retailers as of October 27, 2026, with prices from $1,490 to $4,963, a $3,473 spread on the same certified stone. MOH London lists it at $4,963. 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

1.73
Carat
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle24.7°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG425067306
Dimensions7.79 × 5.76 × 3.97 mm
L/W Ratio1.35
Culet sizeLong
Cert comments
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Top View
7.79 mm5.76 mm1.73 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG425067306
Side View
Table 65.0%Crown 24.7°Girdle: MediumPavilion 41.6°Culet: LNGDepth 68.9%

Caratlytics Score

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

Price History

Last verified: Oct 27
Current: $4,963 USD|Low: $1,431 USD|High: $4,996 USD|Avg: $2,558 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 2$1,490 USD
Retailer 6$1,580 USD
Retailer 11$1,621 USD
Retailer 12$1,669 USD
Retailer 7$1,729 USD
Retailer 10$1,729 USD
Retailer 13$1,900 USD
Retailer 4$2,350 USD
Retailer 8$2,724 USD
Retailer 3$3,137 USD
Retailer 9$3,240 USD
Retailer 5$4,949 USD
MOH London$4,963 USD

16 data points across 13 retailers

11 retailers$1,490 USD to $4,963 USD

B+
Cheapest Retailer
-
$1,490 USD
B+
Retailer 2
-
$1,580 USD
View
B+
Retailer 3
-
$1,621 USD
View
B
Retailer 4
-
$1,669 USD
View
Final sale: no returns
B
Retailer 5
-
$1,729 USD
View
B
Retailer 6
-
$1,729 USD
View
Price last confirmed 16 days ago
B
Retailer 7
-
$1,900 USD
View
B
Retailer 8
-
$2,724 USD
View
B
Retailer 9
-
$3,137 USD
View
B
Retailer 10
-
$3,240 USD
View
Most Expensive
B
MOH London
LG425067306 · Oct 29
$4,963 USD
£3,908 GBP
View
10 more retailers have this diamond
Prices start from $1,490 USDSave up to $3,473 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+
1.73ct Emerald
$1,490 USD