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Emerald|Lab Grown|IGI

1.78ct F SI1 Emerald Lab Grown Diamond

GD • F/SI1 • IGI LG617442500

Shape and cutting style on the report: Emerald cut

Certificate IGI LG617442500

Diamond specifications and retailer prices

From $352 NZD
$198 USD
As of October 27, 2026
Save $3,025 NZD (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,377 NZD at Do Amore Diamonds · As of October 27, 2026
View at Do Amore Diamonds

About this 1.78ct lab-grown emerald diamond

This 1.78ct 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 standard cut grade and certified by IGI LG617442500 or 617442500. Listed at 10 retailers as of October 27, 2026, with prices from $352 to $3,377, a $3,025 spread on the same certified stone. Do Amore Diamonds lists it at $3,377. 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

1.78
Carat
F
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG617442500
Dimensions8.26 × 5.67 × 3.79 mm
L/W Ratio1.46
Culet sizeLarge
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
8.26 mm5.67 mm1.78 ctF / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG617442500
Side View
Table 65.0%Crown 36.5°Girdle: THN-MEDPavilion 40°Culet: LargeDepth 66.8%

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 27
Current: $3,377 NZD|Low: $279 NZD|High: $3,981 NZD|Avg: $1,509 NZD|-2.6%
Do Amore Diamonds
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
October 25, 2026
Retailer 11$352 NZD
Retailer 15$400 NZD
Retailer 10$409 NZD
Retailer 9$761 NZD
Retailer 4$773 NZD
Retailer 3$976 NZD
Retailer 7$1,199 NZD
Retailer 8$1,409 NZD
Retailer 12$1,550 NZD
Retailer 14$1,930 NZD
Retailer 2$1,934 NZD
Retailer 6$2,097 NZD
Retailer 13$2,239 NZD
Retailer 5$2,630 NZD
Do Amore Diamonds$3,377 NZD

15 data points across 15 retailers

10 retailers$352 NZD to $3,377 NZD

A
Cheapest Retailer
-
$352 NZD
$198 USD
B+
Retailer 2
-
$409 NZD
$230 USD
View
Retailer 3
-
$761 NZD
$428 USD
View
Price last confirmed 8 days ago
B
Retailer 4
-
$1,409 NZD
$793 USD
View
Retailer 5
-
$1,550 NZD
$872 USD
View
Price last confirmed 8 days ago
B
Retailer 6
-
$1,930 NZD
$1,086 USD
View
B
Retailer 7
-
$1,934 NZD
£857 GBP
View
B
Retailer 8
-
$2,239 NZD
$1,260 USD
View
B
Retailer 9
-
$2,630 NZD
$1,480 USD
View
Most Expensive
C
Do Amore Diamonds
27-B56DA3947 · Oct 27
$3,377 NZD
$1,900 USD
View
9 more retailers have this diamond
Prices start from $352 NZDSave up to $3,025 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
1.78ct Emerald
$352 NZD