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Emerald|Lab Grown|IGI

1.55ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG738505318

Shape and cutting style on the report: Emerald cut

Certificate IGI LG738505318

Diamond specifications and retailer prices

From $434 AUD
$305 USD
As of October 30, 2026
Save $4,691 AUD (92%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: $5,125 AUD at Brilliant Earth · As of October 31, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG738505318 or 738505318. Listed at 31 retailers as of October 30, 2026, with prices from $434 to $5,125, a $4,691 spread on the same certified stone. Brilliant Earth lists it at $5,125. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG738505318
Dimensions7.87 × 5.45 × 3.62 mm
L/W Ratio1.44
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
7.87 mm5.45 mm1.55 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG738505318
Side View
Table 63.0%Crown 36.9°Girdle: Slightly ThickPavilion 39.4°Culet: LNGDepth 66.4%

Caratlytics Score

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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: $5,125 AUD|Low: $434 AUD|High: $6,392 AUD|Avg: $1,582 AUD|-19.8%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 1, 2026
Retailer 15$434 AUD
Retailer 10$565 AUD
Retailer 4$683 AUD
Retailer 13$712 AUD
Retailer 16$801 AUD
Retailer 18$830 AUD
Retailer 2$850 AUD
Retailer 8$858 AUD
Retailer 9$1,078 AUD
Retailer 17$1,123 AUD
Retailer 21$1,485 AUD
Retailer 5$1,492 AUD
Retailer 14$1,592 AUD
Retailer 11$1,626 AUD
Retailer 12$1,631 AUD
Retailer 7$1,858 AUD
Retailer 19$1,938 AUD
Retailer 6$2,034 AUD
Retailer 3$2,056 AUD
Retailer 20$3,217 AUD
Brilliant Earth$5,125 AUD

35 data points across 21 retailers

31 retailers$434 AUD to $5,125 AUD

Retailer 1
-
$374 AUD
$263 USD
Price last confirmed 30 days ago
Retailer 2
-
$403 AUD
$283 USD
View
Price last confirmed 32 days ago
A
Retailer 3
-
$434 AUD
$305 USD
View
Final sale: no returns
Retailer 4
-
$453 AUD
$318 USD
View
Price last confirmed 18 days ago
Retailer 5
-
$467 AUD
$328 USD
View
Price last confirmed 37 days ago
A
Retailer 6
-
$483 AUD
$339 USD
View
Retailer 7
-
$483 AUD
$339 USD
View
Price last confirmed 22 days ago
Retailer 8
-
$493 AUD
$346 USD
View
Price last confirmed 33 days ago
A
Retailer 9
-
$565 AUD
HK$3,100 HKD
View
A
Retailer 10
-
$683 AUD
$480 USD
View
A
Retailer 11
-
$712 AUD
$500 USD
View
A
Retailer 12
-
$801 AUD
€536 EUR
View
A
Retailer 13
-
$830 AUD
ZAR 9,422 ZAR
View
Retailer 14
-
$840 AUD
£465 GBP
View
Price last confirmed 17 days ago
A
Retailer 15
-
$850 AUD
£470 GBP
View
A
Retailer 16
-
$858 AUD
$603 USD
View
A
Retailer 17
-
$1,078 AUD
$757 USD
View
A
Retailer 18
-
$1,123 AUD
View
B+
Retailer 19
-
$1,485 AUD
$1,043 USD
View
B+
Retailer 20
-
$1,492 AUD
$1,048 USD
View
Retailer 21
-
$1,553 AUD
$1,091 USD
View
Price last confirmed 22 days ago
B+
Retailer 22
-
$1,592 AUD
$1,118 USD
View
Retailer 23
-
$1,603 AUD
$1,126 USD
View
Price last confirmed 31 days ago
B+
Retailer 24
-
$1,626 AUD
$1,142 USD
View
B+
Retailer 25
-
$1,631 AUD
SGD 1,548 SGD
View
B+
Retailer 26
-
$1,858 AUD
$1,305 USD
View
B+
Retailer 27
-
$1,938 AUD
£1,072 GBP
View
B+
Retailer 28
-
$2,034 AUD
$1,429 USD
View
Retailer 29
-
$2,056 AUD
View
Price last confirmed 24 days ago
B
Retailer 30
-
$3,217 AUD
$2,260 USD
View
Most Expensive
B
Brilliant Earth
16121773A · Oct 31
$5,125 AUD
$3,600 USD
View
30 more retailers have this diamond
Prices start from $434 AUDSave up to $4,691 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
1.55ct Emerald
$434 AUD