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Emerald|Lab Grown|IGI

1.71ct G SI1 Emerald Lab Grown Diamond

ID • G/SI1 • IGI LG512202794

Shape and cutting style on the report: Emerald cut

Certificate IGI LG512202794

Diamond specifications and retailer prices

From $3,117 NZD
$1,757 USD
As of October 30, 2026
Save $2,967 NZD (49%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,780 NZD at NZ Jewellers · As of October 31, 2026
View at NZ Jewellers

About this 1.71ct lab-grown emerald diamond

This 1.71ct lab-grown emerald sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG512202794 or 512202794. Listed at 11 retailers as of October 26, 2026, with a 95% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.71
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle21.2°
Pavilion angle33°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512202794
Dimensions8.50 × 5.46 × 3.43 mm
L/W Ratio1.56
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
8.50 mm5.46 mm1.71 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG512202794
Side View
Table 64.5%Crown 21.2°Girdle: ThickPavilion 33°Culet: LNGDepth 62.8%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $6,780 NZD|Low: $2,993 NZD|High: $10,467 NZD|Avg: $4,911 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 6$3,117 NZD
Retailer 11$3,392 NZD
Retailer 7$3,442 NZD
Retailer 8$3,616 NZD
Retailer 10$3,616 NZD
Retailer 3$3,912 NZD
Retailer 2$5,128 NZD
Retailer 9$5,676 NZD
Retailer 5$6,084 NZD
NZ Jewellers$6,780 NZD
Retailer 4$10,383 NZD

44 data points across 11 retailers

11 retailers$3,117 NZD to $6,084 NZD

B
Cheapest Retailer
-
$3,117 NZD
$1,757 USD
B
Retailer 2
-
$3,392 NZD
$1,912 USD
View
B
Retailer 3
-
$3,442 NZD
$1,940 USD
View
B
Retailer 4
-
$3,616 NZD
$2,038 USD
View
Retailer 5
-
$3,616 NZD
$2,038 USD
View
Price last confirmed 19 days ago
B
Retailer 6
-
$3,912 NZD
$2,205 USD
View
B
Retailer 7
-
$5,128 NZD
£2,276 GBP
View
B
Retailer 8
-
$5,676 NZD
$3,199 USD
View
B
Retailer 9
-
$6,084 NZD
$3,429 USD
View
Most Expensive
NZ Jewellers
8caf2534-91a7-4992-b0cd-35657cde6806 · Oct 31
$6,780 NZD
$3,821 USD
View
Price under review
9 more retailers have this diamond
Prices start from $3,117 NZDSave up to $2,967 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.

B
1.71ct Emerald
$3,117 NZD