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Oval|Lab Grown|IGI

1.55ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG756575043

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG756575043

Diamond specifications and retailer prices

From $1,061 AUD
$745 USD
As of October 30, 2026
Save $3,597 AUD (77%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $7,787 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 LG756575043 or 756575043. Listed at 24 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 angle37.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG756575043
Dimensions9.14 × 6.54 × 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
9.14 mm6.54 mm1.55 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG756575043
Side View
Table 61.0%Crown 37.6°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.4%

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 30
Current: $7,787 AUD|Low: $1,061 AUD|High: $7,787 AUD|Avg: $2,852 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
Retailer 15
October 31, 2026
Retailer 6$1,061 AUD
Retailer 8$1,360 AUD
Retailer 5$1,448 AUD
Retailer 15$1,577 AUD
Retailer 10$1,701 AUD
Retailer 2$1,759 AUD
Retailer 11$2,022 AUD
Retailer 14$2,461 AUD
Retailer 7$3,428 AUD
Retailer 3$3,555 AUD
Retailer 12$3,634 AUD
Retailer 4$3,709 AUD
Retailer 9$4,657 AUD
Retailer 13$5,737 AUD
Brilliant Earth$7,787 AUD

45 data points across 15 retailers

24 retailers$1,061 AUD to $4,657 AUD

Retailer 1
-
$948 AUD
$666 USD
Price last confirmed 20 days ago
Retailer 2
-
$1,032 AUD
$725 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$1,061 AUD
$745 USD
View
Final sale: no returns
Retailer 4
-
$1,100 AUD
$773 USD
View
Price last confirmed 19 days ago
Retailer 5
-
$1,100 AUD
$773 USD
View
Price last confirmed 29 days ago
A
Retailer 6
-
$1,360 AUD
$955 USD
View
B+
Retailer 7
-
$1,448 AUD
$1,017 USD
View
B+
Retailer 8
-
$1,577 AUD
$1,108 USD
View
B+
Retailer 9
-
$1,683 AUD
$1,182 USD
View
B+
Retailer 10
-
$1,701 AUD
View
B+
Retailer 11
-
$1,759 AUD
£973 GBP
View
B+
Retailer 12
-
$2,022 AUD
ZAR 22,941 ZAR
View
B+
Retailer 13
-
$2,461 AUD
$1,729 USD
View
Retailer 14
-
$3,092 AUD
$2,172 USD
View
Price last confirmed 24 days ago
B
Retailer 15
-
$3,428 AUD
£1,896 GBP
View
B+
Retailer 16
-
$3,555 AUD
$2,497 USD
View
B
Retailer 17
-
$3,634 AUD
€2,431 EUR
View
B
Retailer 18
-
$3,709 AUD
SGD 3,521 SGD
View
B
Retailer 19
-
$3,751 AUD
$2,635 USD
View
B
Retailer 20
-
$3,794 AUD
$2,665 USD
View
B
Retailer 21
-
$3,816 AUD
$2,681 USD
View
B
Retailer 22
-
$4,657 AUD
£2,576 GBP
View
Retailer 23
-
$5,737 AUD
$4,030 USD
View
Price last confirmed 10 days ago
Most Expensive
Brilliant Earth
18561420A · Oct 29
$7,787 AUD
$5,470 USD
View
Price under review
23 more retailers have this diamond
Prices start from $1,061 AUDSave up to $3,597 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
$1,061 AUD