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Emerald|Lab Grown|IGI

1.63ct F SI1 Emerald Lab Grown Diamond

ID • F/SI1 • IGI LG731576358

Shape and cutting style on the report: Emerald cut

Certificate IGI LG731576358

Diamond specifications and retailer prices

From $316 NZD
$178 USD
As of November 1, 2026
Save $2,901 NZD (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,217 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.63ct lab-grown emerald diamond

This 1.63ct lab-grown emerald sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG731576358 or 731576358. Listed at 12 retailers as of November 1, 2026, with prices from $316 to $3,217, a $2,901 spread on the same certified stone. Brilliant Earth lists it at $3,217. 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

1.63
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731576358
Dimensions8.07 × 5.50 × 3.55 mm
L/W Ratio1.47
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.07 mm5.50 mm1.63 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731576358
Side View
Table 67.0%Crown 32.8°Girdle: ThickPavilion 38.6°Culet: LargeDepth 64.5%

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: $3,217 NZD|Low: $316 NZD|High: $3,306 NZD|Avg: $1,169 NZD|-2.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 11$316 NZD
Retailer 7$368 NZD
Retailer 3$393 NZD
Retailer 4$398 NZD
Retailer 10$695 NZD
Retailer 2$706 NZD
Retailer 12$728 NZD
Retailer 9$862 NZD
Retailer 6$1,262 NZD
Retailer 8$1,333 NZD
Retailer 5$1,835 NZD
Brilliant Earth$3,217 NZD

42 data points across 12 retailers

12 retailers$316 NZD to $3,217 NZD

A
Cheapest Retailer
-
$316 NZD
$178 USD
A
Retailer 2
-
$368 NZD
$207 USD
View
A
Retailer 3
-
$393 NZD
$221 USD
View
Retailer 4
-
$398 NZD
$224 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$695 NZD
$391 USD
View
A
Retailer 6
-
$706 NZD
£313 GBP
View
A
Retailer 7
-
$728 NZD
€390 EUR
View
A
Retailer 8
-
$862 NZD
$485 USD
View
B+
Retailer 9
-
$1,262 NZD
$710 USD
View
B+
Retailer 10
-
$1,333 NZD
$750 USD
View
B
Retailer 11
-
$1,835 NZD
£813 GBP
View
Most Expensive
B
Brilliant Earth
16209382A · Nov 2
$3,217 NZD
$1,810 USD
View
11 more retailers have this diamond
Prices start from $316 NZDSave up to $2,901 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
1.63ct Emerald
$316 NZD