CaratHunter
Plans
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 $527 NZD
$297 USD
As of October 30, 2026
Save $2,436 NZD (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,963 NZD at Brilliant Earth · As of October 31, 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 30, 2026, with prices from $527 to $2,963, a $2,436 spread on the same certified stone. Brilliant Earth lists it at $2,963. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,963 NZD|Low: $376 NZD|High: $3,052 NZD|Avg: $1,180 NZD|-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
November 1, 2026
Retailer 13$451 NZD
Retailer 7$500 NZD
Retailer 5$527 NZD
Retailer 4$546 NZD
Retailer 3$584 NZD
Retailer 12$584 NZD
Retailer 11$905 NZD
Retailer 14$969 NZD
Retailer 2$1,117 NZD
Retailer 6$1,185 NZD
Retailer 9$1,606 NZD
Retailer 10$1,792 NZD
Retailer 15$1,875 NZD
Retailer 8$2,350 NZD
Brilliant Earth$2,963 NZD

41 data points across 15 retailers

13 retailers$527 NZD to $2,963 NZD

Retailer 1
-
$451 NZD
$254 USD
Price last confirmed 30 days ago
B+
Retailer 2
-
$527 NZD
$297 USD
View
Final sale: no returns
Retailer 3
-
$546 NZD
$308 USD
View
Price last confirmed 26 days ago
Retailer 4
-
$584 NZD
$329 USD
View
Price last confirmed 29 days ago
B+
Retailer 5
-
$905 NZD
$510 USD
View
B+
Retailer 6
-
$969 NZD
$546 USD
View
B+
Retailer 7
-
$1,117 NZD
£496 GBP
View
B
Retailer 8
-
$1,185 NZD
$668 USD
View
B
Retailer 9
-
$1,606 NZD
$905 USD
View
B
Retailer 10
-
$1,792 NZD
$1,010 USD
View
Retailer 11
-
$1,875 NZD
$1,057 USD
View
Price last confirmed 32 days ago
Retailer 12
-
$2,350 NZD
£1,043 GBP
View
Price last confirmed 11 days ago
Most Expensive
C
Brilliant Earth
5944343A · Oct 31
$2,963 NZD
$1,670 USD
View
12 more retailers have this diamond
Prices start from $527 NZDSave up to $2,436 NZD

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
$527 NZD