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Oval|Lab Grown|IGI

1.55ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG788621514

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG788621514

Diamond specifications and retailer prices

From $948 AUD
$666 USD
As of October 29, 2026
Save $3,691 AUD (80%) 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 LG788621514 or 788621514. Listed at 24 retailers as of October 26, 2026, with a 389% 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 angle33°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788621514
Dimensions9.44 × 6.58 × 4.02 mm
L/W Ratio1.43
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
9.44 mm6.58 mm1.55 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788621514
Side View
Table 62.0%Crown 33°Girdle: MediumPavilion 41°Culet: NoneDepth 61.1%

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 29
Current: $7,787 AUD|Low: $910 AUD|High: $7,787 AUD|Avg: $2,479 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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
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Retailer 21
October 30, 2026
Retailer 3$948 AUD
Retailer 21$1,032 AUD
Retailer 9$1,061 AUD
Retailer 6$1,100 AUD
Retailer 7$1,100 AUD
Retailer 13$1,247 AUD
Retailer 18$1,360 AUD
Retailer 14$1,448 AUD
Retailer 11$1,577 AUD
Retailer 16$1,701 AUD
Retailer 15$1,759 AUD
Retailer 20$1,845 AUD
Retailer 17$2,022 AUD
Retailer 8$2,461 AUD
Retailer 5$3,092 AUD
Retailer 2$3,555 AUD
Retailer 12$3,709 AUD
Retailer 10$3,816 AUD
Retailer 19$4,639 AUD
Retailer 4$5,737 AUD
Brilliant Earth$7,787 AUD

40 data points across 21 retailers

24 retailers$948 AUD to $4,639 AUD

A
Cheapest Retailer
-
$948 AUD
$666 USD
A
Retailer 2
-
$1,032 AUD
$725 USD
View
A
Retailer 3
-
$1,061 AUD
$745 USD
View
Final sale: no returns
Retailer 4
-
$1,100 AUD
$773 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$1,100 AUD
$773 USD
View
A
Retailer 6
-
$1,247 AUD
£690 GBP
View
A
Retailer 7
-
$1,360 AUD
$955 USD
View
B+
Retailer 8
-
$1,448 AUD
$1,017 USD
View
B+
Retailer 9
-
$1,577 AUD
$1,108 USD
View
B+
Retailer 10
-
$1,683 AUD
$1,182 USD
View
B+
Retailer 11
-
$1,701 AUD
View
B+
Retailer 12
-
$1,759 AUD
£973 GBP
View
B+
Retailer 13
-
$1,845 AUD
€1,234 EUR
View
B+
Retailer 14
-
$2,022 AUD
ZAR 22,941 ZAR
View
B+
Retailer 15
-
$2,461 AUD
$1,729 USD
View
B
Retailer 16
-
$3,092 AUD
$2,172 USD
View
B
Retailer 17
-
$3,428 AUD
£1,896 GBP
View
B+
Retailer 18
-
$3,555 AUD
$2,497 USD
View
B
Retailer 19
-
$3,709 AUD
SGD 3,521 SGD
View
B
Retailer 20
-
$3,794 AUD
$2,665 USD
View
B
Retailer 21
-
$3,816 AUD
$2,681 USD
View
B
Retailer 22
-
$4,639 AUD
£2,566 GBP
View
Retailer 23
-
$5,737 AUD
$4,030 USD
View
Price last confirmed 9 days ago
Most Expensive
Brilliant Earth
20046393A · Oct 29
$7,787 AUD
$5,470 USD
View
Price under review
23 more retailers have this diamond
Prices start from $948 AUDSave up to $3,691 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 Oval
$948 AUD