Emerald|Lab Grown|IGI

1.57ct G SI1 Emerald Lab Grown Diamond

ID • G/SI1 • IGI LG825630571

Shape and cutting style on the report: Emerald cut

Certificate IGI LG825630571

Diamond specifications and retailer prices

From £152 GBP
$203 USD
As of October 29, 2026
Save £697 GBP (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £848 GBP at Reve Diamonds · As of October 25, 2026
View at Reve Diamonds

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 top-tier cut grade and certified by IGI LG825630571 or 825630571. Listed at 15 retailers as of October 25, 2026, with prices from £152 to £848, a £697 spread on the same certified stone. Reve Diamonds lists it at £848. 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
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.1°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825630571
Dimensions8.29 × 5.42 × 3.59 mm
L/W Ratio1.53
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.29 mm5.42 mm1.57 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825630571
Side View
Table 67.0%Crown 41.1°Girdle: MED-STKPavilion 41.4°Culet: LargeDepth 66.2%

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 29
Current: £285 GBP|Low: £138 GBP|High: £933 GBP|Avg: £520 GBP|-4.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Reve Diamonds
October 29, 2026
Retailer 7£152 GBP
Retailer 6£228 GBP
Retailer 1£285 GBP
Retailer 3£302 GBP
Retailer 5£413 GBP
Retailer 8£582 GBP
Retailer 2£649 GBP
Retailer 9£784 GBP
Retailer 4£789 GBP
Reve Diamonds£848 GBP

40 data points across 10 retailers

15 retailers£152 GBP to £848 GBP

A
Cheapest Retailer
-
£152 GBP
$203 USD
Final sale: no returns
Retailer 2
-
£163 GBP
$218 USD
View
Price last confirmed 20 days ago
Retailer 3
-
£188 GBP
$252 USD
View
Price last confirmed 21 days ago
Retailer 4
-
£202 GBP
$270 USD
View
Price last confirmed 28 days ago
B+
Retailer 5
-
£228 GBP
$305 USD
View
A
Retailer 6
-
£285 GBP
€364 EUR
View
A
Retailer 7
-
£302 GBP
View
A
Retailer 8
-
£413 GBP
$554 USD
View
B
Retailer 9
-
£582 GBP
$780 USD
View
Retailer 10
-
£648 GBP
$868 USD
View
Price last confirmed 24 days ago
B+
Retailer 11
-
£649 GBP
$870 USD
View
B
Retailer 12
-
£784 GBP
$1,050 USD
View
B
Retailer 13
-
£784 GBP
$1,050 USD
View
B
Retailer 14
-
£789 GBP
View
Most Expensive
B
Reve Diamonds
78D5BD634 · Oct 25
£848 GBP
$1,136 USD
View
14 more retailers have this diamond
Prices start from £152 GBPSave up to £697 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
1.57ct Emerald
£152 GBP