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Emerald|Lab Grown|IGI

1.70ct E IF Emerald Lab Grown Diamond

GD • E/IF • IGI LG836690427

Shape and cutting style on the report: Emerald cut

Certificate IGI LG836690427

Diamond specifications and retailer prices

From $639 NZD
$359 USD
As of October 30, 2026
Save $2,470 NZD (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,665 NZD at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 1.7ct lab-grown emerald diamond

This 1.7ct lab-grown emerald sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a standard cut grade and certified by IGI LG836690427 or 836690427. Listed at 14 retailers as of October 29, 2026, with a 386% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.70
Carat
E
Colour
IF
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836690427
Dimensions8.02 × 5.79 × 3.79 mm
L/W Ratio1.39
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.02 mm5.79 mm1.70 ctE / IF
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836690427
Side View
Table 66.0%Crown 35.1°Girdle: Slightly ThickPavilion 40.9°Culet: LargeDepth 65.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $4,665 NZD|Low: $612 NZD|High: $4,763 NZD|Avg: $1,980 NZD|-2.1%
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 30, 2026
Retailer 10$639 NZD
Retailer 5$712 NZD
Retailer 13$741 NZD
Retailer 12$792 NZD
Retailer 3$1,269 NZD
Retailer 2$1,439 NZD
Retailer 8$1,837 NZD
Retailer 4$2,274 NZD
Retailer 11$2,544 NZD
Retailer 9$2,547 NZD
Retailer 6$2,638 NZD
Retailer 14$3,016 NZD
Retailer 7$3,109 NZD
Rare Carat$4,665 NZD

43 data points across 14 retailers

14 retailers$639 NZD to $3,109 NZD

A
Cheapest Retailer
-
$639 NZD
$359 USD
A
Retailer 2
-
$712 NZD
$400 USD
View
Final sale: no returns
A
Retailer 3
-
$741 NZD
$416 USD
View
A
Retailer 4
-
$792 NZD
$445 USD
View
B+
Retailer 5
-
$1,269 NZD
$713 USD
View
A
Retailer 6
-
$1,439 NZD
£636 GBP
View
B+
Retailer 7
-
$1,837 NZD
A$1,587 AUD
View
B+
Retailer 8
-
$2,274 NZD
$1,277 USD
View
B
Retailer 9
-
$2,544 NZD
$1,429 USD
View
B
Retailer 10
-
$2,547 NZD
SGD 1,933 SGD
View
B+
Retailer 11
-
$2,638 NZD
$1,482 USD
View
B
Retailer 12
-
$3,016 NZD
$1,694 USD
View
B
Retailer 13
-
$3,109 NZD
£1,375 GBP
View
Most Expensive
Rare Carat
M24-234B · Oct 18
$4,665 NZD
$2,620 USD
View
Price last confirmed 11 days ago
13 more retailers have this diamond
Prices start from $639 NZDSave up to $2,470 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
1.70ct Emerald
$639 NZD