Emerald|Lab Grown|IGI

1.55ct D SI1 Emerald Lab Grown Diamond

GD • D/SI1 • IGI LG497146596

Shape and cutting style on the report: Emerald cut

Certificate IGI LG497146596

Diamond specifications and retailer prices

From $300 AUD
$211 USD
As of October 30, 2026
Save $1,508 AUD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,808 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.55ct lab-grown emerald diamond

This 1.55ct 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 standard cut grade and certified by IGI LG497146596 or 497146596. Listed at 15 retailers as of October 29, 2026, with prices from $300 to $1,808, a $1,508 spread on the same certified stone. Brilliant Earth lists it at $1,808. 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

1.55
Carat
D
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle27.7°
Pavilion angle42°
OriginLab Grown
Grading LabIGI
CertificateIGI LG497146596
Dimensions7.69 × 5.54 × 3.81 mm
L/W Ratio1.39
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
7.69 mm5.54 mm1.55 ctD / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG497146596
Side View
Table 67.5%Crown 27.7°Girdle: MediumPavilion 42°Culet: LNGDepth 68.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,808 AUD|Low: $268 AUD|High: $1,808 AUD|Avg: $767 AUD
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
Retailer 14
October 30, 2026
Retailer 12$300 AUD
Retailer 6$325 AUD
Retailer 10$349 AUD
Retailer 9$373 AUD
Retailer 14$373 AUD
Retailer 3$512 AUD
Retailer 7$640 AUD
Retailer 2$690 AUD
Retailer 4$739 AUD
Retailer 13$1,200 AUD
Retailer 11$1,204 AUD
Retailer 5$1,276 AUD
Retailer 8$1,504 AUD
Brilliant Earth$1,808 AUD

42 data points across 14 retailers

15 retailers$300 AUD to $1,808 AUD

B+
Cheapest Retailer
-
$300 AUD
$211 USD
B+
Retailer 2
-
$325 AUD
$228 USD
View
Final sale: no returns
B+
Retailer 3
-
$349 AUD
$245 USD
View
B+
Retailer 4
-
$373 AUD
$262 USD
View
B+
Retailer 5
-
$373 AUD
$262 USD
View
B+
Retailer 6
-
$512 AUD
$360 USD
View
B+
Retailer 7
-
$640 AUD
€428 EUR
View
B+
Retailer 8
-
$690 AUD
£382 GBP
View
B+
Retailer 9
-
$739 AUD
$519 USD
View
B
Retailer 10
-
$987 AUD
$693 USD
View
B
Retailer 11
-
$1,200 AUD
$843 USD
View
Retailer 12
-
$1,204 AUD
$846 USD
View
Price last confirmed 11 days ago
B
Retailer 13
-
$1,276 AUD
$896 USD
View
B
Retailer 14
-
$1,504 AUD
£832 GBP
View
Most Expensive
C
Brilliant Earth
8639375A · Oct 29
$1,808 AUD
$1,270 USD
View
14 more retailers have this diamond
Prices start from $300 AUDSave up to $1,508 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.

B+
1.55ct Emerald
$300 AUD