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Round|Lab Grown|IGI

1.51ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG844621712

Shape and cutting style on the report: Round brilliant

Certificate IGI LG844621712

Diamond specifications and retailer prices

From $702 AUD
$493 USD
As of October 29, 2026
Save $4,067 AUD (85%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $4,769 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.51ct lab-grown round diamond

This 1.51ct 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 LG844621712 or 844621712. Listed at 23 retailers as of October 29, 2026, with prices from $702 to $4,769, a $4,067 spread on the same certified stone. Brilliant Earth lists it at $4,769. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844621712
Dimensions7.38 × 7.44 × 4.51 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.38 mm7.44 mm1.51 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844621712
Side View
Table 59.0%Crown 34.3°Girdle: MediumPavilion 41°Culet: NoneDepth 60.9%

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 29
Current: $4,769 AUD|Low: $702 AUD|High: $4,769 AUD|Avg: $1,962 AUD
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
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Retailer 17
Retailer 18
Retailer 19
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Retailer 23
October 30, 2026
Retailer 22$702 AUD
Retailer 20$786 AUD
Retailer 8$870 AUD
Retailer 10$870 AUD
Retailer 9$895 AUD
Retailer 7$1,177 AUD
Retailer 13$1,272 AUD
Retailer 15$1,388 AUD
Retailer 18$1,388 AUD
Retailer 11$1,404 AUD
Retailer 2$1,443 AUD
Retailer 5$1,453 AUD
Retailer 17$1,495 AUD
Retailer 6$1,930 AUD
Retailer 4$2,289 AUD
Retailer 16$2,706 AUD
Retailer 12$2,836 AUD
Retailer 21$2,920 AUD
Retailer 3$3,030 AUD
Retailer 19$3,638 AUD
Retailer 14$3,800 AUD
Retailer 23$4,050 AUD
Brilliant Earth$4,769 AUD

18 data points across 23 retailers

23 retailers$702 AUD to $4,769 AUD

A
Cheapest Retailer
-
$702 AUD
$493 USD
A
Retailer 2
-
$786 AUD
$552 USD
View
Retailer 3
-
$870 AUD
$611 USD
View
Price last confirmed 14 days ago
A
Retailer 4
-
$870 AUD
$611 USD
View
A
Retailer 5
-
$895 AUD
$629 USD
View
Final sale: no returns
A
Retailer 6
-
$1,177 AUD
$827 USD
View
A
Retailer 7
-
$1,272 AUD
€851 EUR
View
A
Retailer 8
-
$1,388 AUD
$975 USD
View
B+
Retailer 9
-
$1,388 AUD
$975 USD
View
A
Retailer 10
-
$1,404 AUD
$986 USD
View
B+
Retailer 11
-
$1,443 AUD
£798 GBP
View
A
Retailer 12
-
$1,453 AUD
$1,021 USD
View
B+
Retailer 13
-
$1,495 AUD
ZAR 16,971 ZAR
View
B+
Retailer 14
-
$1,930 AUD
$1,355 USD
View
B+
Retailer 15
-
$2,289 AUD
$1,608 USD
View
B
Retailer 16
-
$2,706 AUD
$1,901 USD
View
B
Retailer 17
-
$2,836 AUD
$1,992 USD
View
B
Retailer 18
-
$2,920 AUD
CA$2,849 CAD
View
B
Retailer 19
-
$3,030 AUD
$2,129 USD
View
B
Retailer 20
-
$3,638 AUD
£2,012 GBP
View
B
Retailer 21
-
$3,800 AUD
$2,669 USD
View
B
Retailer 22
-
$4,050 AUD
$2,845 USD
View
Most Expensive
B
Brilliant Earth
22269301A · Oct 30
$4,769 AUD
$3,350 USD
View
22 more retailers have this diamond
Prices start from $702 AUDSave up to $4,067 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
1.51ct Round
$702 AUD