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Oval|Lab Grown|IGI

1.55ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG733511650

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG733511650

Diamond specifications and retailer prices

From $1,055 AUD
$741 USD
As of October 30, 2026
Save $3,574 AUD (77%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $7,744 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.55ct lab-grown oval diamond

This 1.55ct lab-grown oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG733511650 or 733511650. Listed at 26 retailers as of October 29, 2026, with a 339% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733511650
Dimensions9.18 × 6.58 × 4.09 mm
L/W Ratio1.40
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
9.18 mm6.58 mm1.55 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG733511650
Side View
Table 57.0%Crown 34.4°Girdle: MED-THKPavilion 40.3°Culet: NoneDepth 62.2%

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: $7,744 AUD|Low: $942 AUD|High: $7,986 AUD|Avg: $2,846 AUD|-3.0%
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
October 30, 2026
Retailer 17$942 AUD
Retailer 8$1,055 AUD
Retailer 5$1,093 AUD
Retailer 7$1,441 AUD
Retailer 3$1,566 AUD
Retailer 12$1,566 AUD
Retailer 14$1,692 AUD
Retailer 2$1,748 AUD
Retailer 11$2,009 AUD
Retailer 16$2,792 AUD
Retailer 9$3,406 AUD
Retailer 4$3,532 AUD
Retailer 13$3,611 AUD
Retailer 6$3,684 AUD
Retailer 15$3,701 AUD
Retailer 10$4,628 AUD
Brilliant Earth$7,744 AUD

43 data points across 17 retailers

26 retailers$1,055 AUD to $4,628 AUD

Retailer 1
-
$942 AUD
$662 USD
Price last confirmed 20 days ago
Retailer 2
-
$1,025 AUD
$720 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$1,055 AUD
$741 USD
View
Final sale: no returns
A
Retailer 4
-
$1,093 AUD
$768 USD
View
Retailer 5
-
$1,093 AUD
$768 USD
View
Price last confirmed 18 days ago
Retailer 6
-
$1,093 AUD
$768 USD
View
Price last confirmed 28 days ago
Retailer 7
-
$1,093 AUD
$768 USD
View
Price last confirmed 13 days ago
B+
Retailer 8
-
$1,441 AUD
$1,012 USD
View
B+
Retailer 9
-
$1,566 AUD
$1,100 USD
View
B+
Retailer 10
-
$1,566 AUD
$1,100 USD
View
B+
Retailer 11
-
$1,663 AUD
$1,168 USD
View
B+
Retailer 12
-
$1,692 AUD
View
B+
Retailer 13
-
$1,748 AUD
£967 GBP
View
B+
Retailer 14
-
$2,009 AUD
ZAR 22,799 ZAR
View
B
Retailer 15
-
$2,792 AUD
$1,961 USD
View
Retailer 16
-
$3,074 AUD
$2,159 USD
View
Price last confirmed 23 days ago
B
Retailer 17
-
$3,406 AUD
£1,884 GBP
View
B+
Retailer 18
-
$3,532 AUD
$2,481 USD
View
B
Retailer 19
-
$3,611 AUD
€2,416 EUR
View
B
Retailer 20
-
$3,684 AUD
SGD 3,497 SGD
View
Retailer 21
-
$3,701 AUD
$2,600 USD
View
Price last confirmed 9 days ago
B
Retailer 22
-
$3,728 AUD
$2,619 USD
View
B
Retailer 23
-
$3,771 AUD
$2,649 USD
View
B
Retailer 24
-
$3,797 AUD
$2,668 USD
View
B
Retailer 25
-
$4,628 AUD
£2,560 GBP
View
Most Expensive
Brilliant Earth
16334558A · Oct 29
$7,744 AUD
$5,440 USD
View
Price under review
25 more retailers have this diamond
Prices start from $1,055 AUDSave up to $3,574 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 Oval
$1,055 AUD