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Emerald|Lab Grown|IGI

1.71ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG534250926

Shape and cutting style on the report: Emerald cut

Certificate IGI LG534250926

Diamond specifications and retailer prices

From $394 AUD
$277 USD
As of October 30, 2026
Save $2,894 AUD (88%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,288 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG534250926 or 534250926. Listed at 10 retailers as of October 29, 2026, with prices from $394 to $3,288, a $2,894 spread on the same certified stone. Brilliant Earth lists it at $3,288. 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle27.7°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG534250926
Dimensions8.05 × 5.72 × 3.77 mm
L/W Ratio1.41
Culet sizeLong
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.05 mm5.72 mm1.71 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG534250926
Side View
Table 64.5%Crown 27.7°Girdle: MediumPavilion 38.2°Culet: LNGDepth 65.9%

Caratlytics Score

How it works →
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: $3,288 AUD|Low: $215 AUD|High: $3,416 AUD|Avg: $1,057 AUD|-3.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 3$215 AUD
Retailer 10$394 AUD
Retailer 11$451 AUD
Retailer 8$522 AUD
Retailer 2$599 AUD
Retailer 9$750 AUD
Retailer 5$1,076 AUD
Retailer 7$1,222 AUD
Retailer 4$1,479 AUD
Retailer 6$1,573 AUD
Brilliant Earth$3,288 AUD

20 data points across 11 retailers

10 retailers$394 AUD to $3,288 AUD

A
Cheapest Retailer
-
$394 AUD
$277 USD
B+
Retailer 2
-
$451 AUD
$317 USD
View
A
Retailer 3
-
$522 AUD
$367 USD
View
A
Retailer 4
-
$599 AUD
€401 EUR
View
A
Retailer 5
-
$750 AUD
$527 USD
View
Retailer 6
-
$1,076 AUD
$756 USD
View
Price last confirmed 10 days ago
B+
Retailer 7
-
$1,222 AUD
$859 USD
View
B
Retailer 8
-
$1,479 AUD
£818 GBP
View
B
Retailer 9
-
$2,591 AUD
$1,820 USD
View
Most Expensive
C
Brilliant Earth
16301472A · Oct 29
$3,288 AUD
$2,310 USD
View
9 more retailers have this diamond
Prices start from $394 AUDSave up to $2,894 AUD

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
1.71ct Emerald
$394 AUD