CaratHunter
Plans
Emerald|Lab Grown|IGI

1.64ct G SI2 Emerald Lab Grown Diamond

ID • G/SI2 • IGI LG628481294

Shape and cutting style on the report: Emerald cut

Certificate IGI LG628481294

Diamond specifications and retailer prices

From $278 NZD
As of November 1, 2026
Save $1,626 NZD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,903 NZD at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 1.64ct lab-grown emerald diamond

This 1.64ct lab-grown emerald sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG628481294 or 628481294. Listed at 15 retailers as of November 1, 2026, with prices from $278 to $1,903, a $1,626 spread on the same certified stone. Brilliant Earth lists it at $1,903. 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

1.64
Carat
G
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628481294
Dimensions8.02 × 5.57 × 3.77 mm
L/W Ratio1.44
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
8.02 mm5.57 mm1.64 ctG / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628481294
Side View
Table 69.0%Crown 37.8°Girdle: MediumPavilion 40.5°Culet: LNGDepth 67.7%

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: Nov 1
Current: $1,903 NZD|Low: $278 NZD|High: $2,668 NZD|Avg: $920 NZD|-28.7%
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 4, 2026
Retailer 11$278 NZD
Retailer 3$310 NZD
Retailer 6$320 NZD
Retailer 13$343 NZD
Retailer 7$356 NZD
Retailer 12$594 NZD
Retailer 8$599 NZD
Retailer 10$608 NZD
Retailer 5$624 NZD
Retailer 15$820 NZD
Retailer 9$923 NZD
Retailer 4$1,103 NZD
Retailer 2$1,432 NZD
Retailer 14$1,612 NZD
Brilliant Earth$1,903 NZD

39 data points across 15 retailers

15 retailers$278 NZD to $1,903 NZD

A
Cheapest Retailer
-
$278 NZD
B+
Retailer 2
-
$310 NZD
View
Final sale: no returns
A
Retailer 3
-
$320 NZD
View
A
Retailer 4
-
$343 NZD
View
Retailer 5
-
$356 NZD
View
Price last confirmed 12 days ago
Retailer 6
-
$594 NZD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$599 NZD
View
A
Retailer 8
-
$608 NZD
View
B+
Retailer 9
-
$624 NZD
View
A
Retailer 10
-
$820 NZD
View
B+
Retailer 11
-
$923 NZD
View
B+
Retailer 12
-
$1,103 NZD
View
B
Retailer 13
-
$1,432 NZD
View
Retailer 14
-
$1,612 NZD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
14251221A · Nov 3
$1,903 NZD
$1,070 USD
View
14 more retailers have this diamond
Prices start from $278 NZDSave up to $1,626 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
1.64ct Emerald
$278 NZD