Emerald|Lab Grown|IGI

1.57ct G SI1 Emerald Lab Grown Diamond

GD • G/SI1 • IGI LG530201667

Shape and cutting style on the report: Emerald cut

Certificate IGI LG530201667

Diamond specifications and retailer prices

From $297 USD
As of October 30, 2026
Save $1,373 USD (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,670 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.57ct lab-grown emerald diamond

This 1.57ct lab-grown emerald sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG530201667 or 530201667. Listed at 13 retailers as of October 29, 2026, with prices from $297 to $1,670, a $1,373 spread on the same certified stone. Brilliant Earth lists it at $1,670. 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

1.57
Carat
G
Color
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle22.9°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG530201667
Dimensions8.07 × 5.48 × 3.59 mm
L/W Ratio1.47
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
8.07 mm5.48 mm1.57 ctG / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG530201667
Side View
Table 60.0%Crown 22.9°Girdle: THN-MEDPavilion 39.1°Culet: LNGDepth 65.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: $1,670 USD|Low: $212 USD|High: $1,720 USD|Avg: $665 USD|-2.9%
Brilliant Earth
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
October 30, 2026
Retailer 13$254 USD
Retailer 7$282 USD
Retailer 5$297 USD
Retailer 4$308 USD
Retailer 3$329 USD
Retailer 12$329 USD
Retailer 11$510 USD
Retailer 14$546 USD
Retailer 2$628 USD
Retailer 6$668 USD
Retailer 9$905 USD
Retailer 10$1,010 USD
Retailer 15$1,057 USD
Retailer 8$1,325 USD
Brilliant Earth$1,670 USD

41 data points across 15 retailers

13 retailers$297 USD to $1,670 USD

Retailer 1
-
$254 USD
Price last confirmed 28 days ago
B+
Retailer 2
-
$297 USD
View
Final sale: no returns
Retailer 3
-
$308 USD
View
Price last confirmed 24 days ago
Retailer 4
-
$329 USD
View
Price last confirmed 27 days ago
B+
Retailer 5
-
$510 USD
View
B+
Retailer 6
-
$546 USD
View
B+
Retailer 7
-
$628 USD
£495 GBP
View
B
Retailer 8
-
$668 USD
View
B
Retailer 9
-
$905 USD
View
B
Retailer 10
-
$1,010 USD
View
Retailer 11
-
$1,057 USD
View
Price last confirmed 30 days ago
Retailer 12
-
$1,325 USD
£1,043 GBP
View
Price last confirmed 9 days ago
Most Expensive
C
Brilliant Earth
5944343A · Oct 29
$1,670 USD
View
12 more retailers have this diamond
Prices start from $297 USDSave up to $1,373 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+
1.57ct Emerald
$297 USD