CaratHunter
Plans
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 $300 NZD
$169 USD
As of October 30, 2026
Save $1,474 NZD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,774 NZD 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 11 retailers as of October 28, 2026, with prices from $300 to $1,774, a $1,474 spread on the same certified stone. Rare Carat lists it at $1,774. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,774 NZD|Low: $300 NZD|High: $3,282 NZD|Avg: $1,121 NZD|-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
Retailer 13
Retailer 14
October 31, 2026
Retailer 8$300 NZD
Retailer 3$348 NZD
Retailer 9$371 NZD
Retailer 12$432 NZD
Retailer 4$652 NZD
Retailer 7$661 NZD
Retailer 14$665 NZD
Retailer 11$839 NZD
Retailer 13$1,194 NZD
Retailer 2$1,262 NZD
Retailer 5$1,507 NZD
Retailer 10$1,746 NZD
Rare Carat$1,774 NZD
Retailer 6$3,282 NZD

5 data points across 14 retailers

11 retailers$300 NZD to $1,774 NZD

A
Cheapest Retailer
-
$300 NZD
$169 USD
A
Retailer 2
-
$348 NZD
$196 USD
View
A
Retailer 3
-
$371 NZD
$209 USD
View
A
Retailer 4
-
$432 NZD
HK$1,900 HKD
View
A
Retailer 5
-
$661 NZD
£293 GBP
View
B+
Retailer 6
-
$665 NZD
$375 USD
View
B+
Retailer 7
-
$839 NZD
$473 USD
View
B+
Retailer 8
-
$1,194 NZD
$673 USD
View
B
Retailer 9
-
$1,262 NZD
$711 USD
View
B
Retailer 10
-
$1,746 NZD
£775 GBP
View
Most Expensive
B
Rare Carat
KI1024691KF647 · Oct 28
$1,774 NZD
$1,000 USD
View
10 more retailers have this diamond
Prices start from $300 NZDSave up to $1,474 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.

A
1.57ct Emerald
$300 NZD