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Emerald|Lab Grown|IGI

1.00ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG523291787

Shape and cutting style on the report: Emerald cut

Certificate IGI LG523291787

Diamond specifications and retailer prices

From $201 AUD
$141 USD
As of October 29, 2026
Save $971 AUD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,338 AUD at Brilliant Earth · As of October 15, 2026
View at Brilliant Earth

About this 1ct lab-grown emerald diamond

This 1ct lab-grown emerald sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG523291787 or 523291787. Listed at 17 retailers as of October 29, 2026, with a 484% 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

1.00
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.3°
Pavilion angle44.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG523291787
Dimensions6.56 × 4.86 × 3.22 mm
L/W Ratio1.35
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
6.56 mm4.86 mm1.00 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG523291787
Side View
Table 69.0%Crown 29.3°Girdle: MediumPavilion 44.2°Culet: LNGDepth 66.3%

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 29
Current: $1,338 AUD|Low: $194 AUD|High: $1,381 AUD|Avg: $554 AUD|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 10$201 AUD
Retailer 4$225 AUD
Retailer 11$249 AUD
Retailer 12$249 AUD
Retailer 3$339 AUD
Retailer 2$427 AUD
Retailer 5$470 AUD
Retailer 8$474 AUD
Retailer 6$477 AUD
Retailer 13$598 AUD
Retailer 9$847 AUD
Retailer 7$1,172 AUD
Brilliant Earth$1,338 AUD

44 data points across 13 retailers

17 retailers$201 AUD to $1,172 AUD

A
Cheapest Retailer
-
$201 AUD
$141 USD
A
Retailer 2
-
$225 AUD
$158 USD
View
Final sale: no returns
A
Retailer 3
-
$233 AUD
$164 USD
View
A
Retailer 4
-
$249 AUD
$175 USD
View
A
Retailer 5
-
$249 AUD
$175 USD
View
B+
Retailer 6
-
$339 AUD
$238 USD
View
A
Retailer 7
-
$427 AUD
£236 GBP
View
B+
Retailer 8
-
$470 AUD
$330 USD
View
A
Retailer 9
-
$474 AUD
£262 GBP
View
B+
Retailer 10
-
$477 AUD
€319 EUR
View
B+
Retailer 11
-
$598 AUD
$420 USD
View
B+
Retailer 12
-
$734 AUD
£406 GBP
View
B+
Retailer 13
-
$801 AUD
$563 USD
View
B
Retailer 14
-
$847 AUD
$595 USD
View
B
Retailer 15
-
$881 AUD
$619 USD
View
B
Retailer 16
-
$1,172 AUD
£648 GBP
View
Most Expensive
Brilliant Earth
16211415A · Oct 15
$1,338 AUD
$940 USD
View
Price last confirmed 15 days ago
16 more retailers have this diamond
Prices start from $201 AUDSave up to $971 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
1.00ct Emerald
$201 AUD