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Round|Lab Grown|IGI

1.54ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG770636780

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770636780

Diamond specifications and retailer prices

From $934 AUD
$656 USD
As of October 29, 2026
Save $6,112 AUD (87%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $7,046 AUD at Brilliant Earth · As of October 14, 2026
View at Brilliant Earth

About this 1.54ct lab-grown round diamond

This 1.54ct lab-grown round 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 LG770636780 or 770636780. Listed at 26 retailers as of October 29, 2026, with a 655% 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

1.54
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770636780
Dimensions7.46 × 7.50 × 4.48 mm
L/W Ratio1.01
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
7.46 mm7.50 mm1.54 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770636780
Side View
Table 59.0%Crown 32.8°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.0%

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: $7,046 AUD|Low: $934 AUD|High: $7,046 AUD|Avg: $2,314 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
Retailer 20
Retailer 21
Retailer 22
Retailer 23
October 29, 2026
Retailer 13$934 AUD
Retailer 23$1,015 AUD
Retailer 12$1,045 AUD
Retailer 6$1,083 AUD
Retailer 22$1,083 AUD
Retailer 4$1,257 AUD
Retailer 20$1,338 AUD
Retailer 10$1,431 AUD
Retailer 18$1,490 AUD
Retailer 11$1,552 AUD
Retailer 8$1,579 AUD
Retailer 2$1,720 AUD
Retailer 19$1,731 AUD
Retailer 7$1,756 AUD
Retailer 3$1,971 AUD
Retailer 5$2,367 AUD
Retailer 21$3,043 AUD
Retailer 16$3,651 AUD
Retailer 14$3,692 AUD
Retailer 9$3,735 AUD
Retailer 15$3,768 AUD
Retailer 17$4,584 AUD
Brilliant Earth$7,046 AUD

21 data points across 23 retailers

26 retailers$934 AUD to $7,046 AUD

A
Cheapest Retailer
-
$934 AUD
$656 USD
A
Retailer 2
-
$1,015 AUD
$713 USD
View
A
Retailer 3
-
$1,045 AUD
$734 USD
View
Final sale: no returns
A
Retailer 4
-
$1,083 AUD
$761 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$1,083 AUD
$761 USD
View
A
Retailer 6
-
$1,257 AUD
HK$6,900 HKD
View
A
Retailer 7
-
$1,338 AUD
$940 USD
View
A
Retailer 8
-
$1,431 AUD
$1,005 USD
View
A
Retailer 9
-
$1,490 AUD
£824 GBP
View
B+
Retailer 10
-
$1,552 AUD
$1,090 USD
View
B+
Retailer 11
-
$1,579 AUD
$1,109 USD
View
B+
Retailer 12
-
$1,720 AUD
£951 GBP
View
B+
Retailer 13
-
$1,731 AUD
€1,158 EUR
View
B+
Retailer 14
-
$1,756 AUD
View
B+
Retailer 15
-
$1,971 AUD
ZAR 22,372 ZAR
View
B+
Retailer 16
-
$2,367 AUD
$1,663 USD
View
Price last confirmed 7 days ago
B
Retailer 17
-
$2,517 AUD
$1,768 USD
View
B+
Retailer 18
-
$3,043 AUD
$2,138 USD
View
B
Retailer 19
-
$3,494 AUD
$2,455 USD
View
B
Retailer 20
-
$3,651 AUD
SGD 3,466 SGD
View
B
Retailer 21
-
$3,692 AUD
$2,594 USD
View
B
Retailer 22
-
$3,735 AUD
$2,624 USD
View
B
Retailer 23
-
$3,768 AUD
$2,647 USD
View
B
Retailer 24
-
$4,584 AUD
£2,536 GBP
View
B
Retailer 25
-
$7,046 AUD
$4,950 USD
View
Most Expensive
B
Brilliant Earth
18937699A · Oct 14
$7,046 AUD
$4,950 USD
View
Price last confirmed 15 days ago
25 more retailers have this diamond
Prices start from $934 AUDSave up to $6,112 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
1.54ct Round
$934 AUD