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Emerald|Lab Grown|IGI

1.57ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG647469102

Shape and cutting style on the report: Emerald cut

Certificate IGI LG647469102

Diamond specifications and retailer prices

From $196 USD
As of October 27, 2026
Save $804 USD (80%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,000 USD at Rare Carat · As of October 28, 2026
View at Rare Carat

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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG647469102 or 647469102. Listed at 9 retailers as of October 27, 2026, with prices from $196 to $1,000, a $804 spread on the same certified stone. Rare Carat lists it at $1,000. 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

1.57
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG647469102
Dimensions7.97 × 5.34 × 3.81 mm
L/W Ratio1.49
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.97 mm5.34 mm1.57 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG647469102
Side View
Table 59.0%Crown 33.7°Girdle: MED-STKPavilion 41.5°Culet: LargeDepth 71.3%

Caratlytics Score

How it works →
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 27
Current: $1,000 USD|Low: $196 USD|High: $1,850 USD|Avg: $660 USD|-9.3%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 11$196 USD
Retailer 5$209 USD
Retailer 8$243 USD
Retailer 12$368 USD
Retailer 2$371 USD
Retailer 10$375 USD
Retailer 7$473 USD
Retailer 9$673 USD
Retailer 3$850 USD
Retailer 6$984 USD
Rare Carat$1,000 USD
Retailer 4$1,850 USD

3 data points across 12 retailers

9 retailers$196 USD to $1,000 USD

A
Cheapest Retailer
-
$196 USD
A
Retailer 2
-
$209 USD
View
A
Retailer 3
-
$243 USD
HK$1,900 HKD
View
A
Retailer 4
-
$371 USD
£293 GBP
View
B+
Retailer 5
-
$375 USD
View
B+
Retailer 6
-
$473 USD
View
B+
Retailer 7
-
$673 USD
View
B
Retailer 8
-
$984 USD
£775 GBP
View
Most Expensive
B
Rare Carat
KI1024691KF647 · Oct 28
$1,000 USD
View
8 more retailers have this diamond
Prices start from $196 USDSave up to $804 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.

A
1.57ct Emerald
$196 USD