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Round|Lab Grown|IGI

1.55ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG743593466

Shape and cutting style on the report: Round brilliant

Certificate IGI LG743593466

Diamond specifications and retailer prices

From $492 AUD
$346 USD
As of October 29, 2026
Save $3,906 AUD (89%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $4,398 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.55ct lab-grown round diamond

This 1.55ct lab-grown round 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 LG743593466 or 743593466. Listed at 27 retailers as of October 29, 2026, with prices from $492 to $4,398, a $3,906 spread on the same certified stone. Brilliant Earth lists it at $4,398. 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 angle35.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743593466
Dimensions7.36 × 7.39 × 4.59 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
7.36 mm7.39 mm1.55 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743593466
Side View
Table 56.0%Crown 35.5°Girdle: MediumPavilion 40.7°Culet: NoneDepth 62.3%

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 29
Current: $4,398 AUD|Low: $492 AUD|High: $5,138 AUD|Avg: $1,762 AUD|-14.4%
Brilliant Earth
Retailer 2
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October 29, 2026
Retailer 26$492 AUD
Retailer 25$572 AUD
Retailer 15$601 AUD
Retailer 5$611 AUD
Retailer 4$868 AUD
Retailer 24$875 AUD
Retailer 7$918 AUD
Retailer 12$954 AUD
Retailer 16$976 AUD
Retailer 22$1,090 AUD
Retailer 14$1,126 AUD
Retailer 23$1,159 AUD
Retailer 2$1,214 AUD
Retailer 17$1,238 AUD
Retailer 18$1,553 AUD
Retailer 13$1,565 AUD
Retailer 6$1,792 AUD
Retailer 3$2,168 AUD
Retailer 8$2,309 AUD
Retailer 10$2,354 AUD
Retailer 19$2,389 AUD
Retailer 20$2,549 AUD
Retailer 11$2,565 AUD
Retailer 21$2,650 AUD
Retailer 27$3,210 AUD
Retailer 9$4,370 AUD
Brilliant Earth$4,398 AUD

33 data points across 27 retailers

27 retailers$492 AUD to $4,398 AUD

A
Cheapest Retailer
-
$492 AUD
$346 USD
A
Retailer 2
-
$572 AUD
$402 USD
View
A
Retailer 3
-
$601 AUD
$422 USD
View
Final sale: no returns
A
Retailer 4
-
$611 AUD
$429 USD
View
A
Retailer 5
-
$868 AUD
£480 GBP
View
Price last confirmed 12 days ago
A
Retailer 6
-
$875 AUD
HK$4,800 HKD
View
A
Retailer 7
-
$918 AUD
$645 USD
View
A
Retailer 8
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$954 AUD
$670 USD
View
A
Retailer 9
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$976 AUD
$686 USD
View
A
Retailer 10
-
$1,090 AUD
€729 EUR
View
A
Retailer 11
-
$1,126 AUD
$791 USD
View
A
Retailer 12
-
$1,159 AUD
ZAR 13,155 ZAR
View
A
Retailer 13
-
$1,214 AUD
£671 GBP
View
A
Retailer 14
-
$1,238 AUD
View
B+
Retailer 15
-
$1,553 AUD
$1,091 USD
View
B+
Retailer 16
-
$1,565 AUD
View
B+
Retailer 17
-
$1,792 AUD
$1,259 USD
View
B+
Retailer 18
-
$2,168 AUD
$1,523 USD
View
B+
Retailer 19
-
$2,309 AUD
$1,622 USD
View
B+
Retailer 20
-
$2,354 AUD
$1,654 USD
View
B+
Retailer 21
-
$2,389 AUD
$1,678 USD
View
B+
Retailer 22
-
$2,549 AUD
SGD 2,420 SGD
View
B+
Retailer 23
-
$2,565 AUD
View
Price last confirmed 21 days ago
B+
Retailer 24
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$2,650 AUD
£1,466 GBP
View
B+
Retailer 25
-
$3,210 AUD
$2,255 USD
View
B
Retailer 26
-
$4,370 AUD
$3,070 USD
View
Most Expensive
B
Brilliant Earth
17457061Y · Oct 29
$4,398 AUD
$3,090 USD
View
26 more retailers have this diamond
Prices start from $492 AUDSave up to $3,906 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 Round
$492 AUD