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 $1,757 USD
As of October 30, 2026
Save $1,672 USD (49%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,821 USD at NZ Jewellers · As of October 28, 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
Color
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

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $3,821 USD|Low: $1,687 USD|High: $5,899 USD|Avg: $2,761 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 6$1,757 USD
Retailer 11$1,912 USD
Retailer 7$1,940 USD
Retailer 8$2,038 USD
Retailer 10$2,038 USD
Retailer 3$2,205 USD
Retailer 2$2,884 USD
Retailer 9$3,199 USD
Retailer 5$3,429 USD
NZ Jewellers$3,821 USD
Retailer 4$5,852 USD

44 data points across 11 retailers

11 retailers$1,757 USD to $3,429 USD

B
Cheapest Retailer
-
$1,757 USD
B
Retailer 2
-
$1,912 USD
View
B
Retailer 3
-
$1,940 USD
View
B
Retailer 4
-
$2,038 USD
View
Retailer 5
-
$2,038 USD
View
Price last confirmed 18 days ago
B
Retailer 6
-
$2,205 USD
View
B
Retailer 7
-
$2,884 USD
£2,271 GBP
View
Retailer 8
-
$3,199 USD
View
Price last confirmed 7 days ago
B
Retailer 9
-
$3,429 USD
View
Most Expensive
NZ Jewellers
8caf2534-91a7-4992-b0cd-35657cde6806 · Oct 28
$3,821 USD
View
Price under review
9 more retailers have this diamond
Prices start from $1,757 USDSave up to $1,672 USD

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
$1,757 USD