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Round|Lab Grown|IGI

1.56ct F IF Round Lab Grown Diamond

EX • F/IF • IGI LG670466228

Shape and cutting style on the report: Round brilliant

Certificate IGI LG670466228

Diamond specifications and retailer prices

From $515 AUD
$362 USD
As of November 1, 2026
Save $3,115 AUD (86%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $3,630 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.56ct lab-grown round diamond

This 1.56ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG670466228 or 670466228. Listed at 28 retailers as of October 31, 2026, with prices from $515 to $3,630, a $3,115 spread on the same certified stone. Brilliant Earth lists it at $3,630. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
F
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG670466228
Dimensions7.36 × 7.40 × 4.65 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
7.36 mm7.40 mm1.56 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG670466228
Side View
Table 55.0%Crown 35.6°Girdle: MediumPavilion 41°Culet: NoneDepth 63.0%

Caratlytics Score

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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: Nov 1
Current: $3,630 AUD|Low: $511 AUD|High: $3,943 AUD|Avg: $1,511 AUD|-7.9%
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
November 2, 2026
Retailer 12$515 AUD
Retailer 18$577 AUD
Retailer 4$598 AUD
Retailer 8$639 AUD
Retailer 9$639 AUD
Retailer 22$854 AUD
Retailer 7$1,004 AUD
Retailer 10$1,024 AUD
Retailer 17$1,058 AUD
Retailer 20$1,062 AUD
Retailer 21$1,099 AUD
Retailer 2$1,150 AUD
Retailer 6$1,317 AUD
Retailer 19$1,484 AUD
Retailer 3$1,875 AUD
Retailer 14$2,056 AUD
Retailer 15$2,113 AUD
Retailer 16$2,417 AUD
Retailer 11$2,437 AUD
Retailer 13$2,499 AUD
Retailer 5$2,797 AUD
Brilliant Earth$3,630 AUD

37 data points across 22 retailers

28 retailers$515 AUD to $3,630 AUD

Retailer 1
-
$511 AUD
$359 USD
Price last confirmed 40 days ago
A
Retailer 2
-
$515 AUD
$362 USD
View
A
Retailer 3
-
$577 AUD
$405 USD
View
Final sale: no returns
A
Retailer 4
-
$598 AUD
$420 USD
View
Retailer 5
-
$625 AUD
$439 USD
View
Price last confirmed 41 days ago
Retailer 6
-
$639 AUD
$449 USD
View
Price last confirmed 7 days ago
A
Retailer 7
-
$639 AUD
$449 USD
View
A
Retailer 8
-
$854 AUD
$600 USD
View
A
Retailer 9
-
$1,004 AUD
$705 USD
View
A
Retailer 10
-
$1,024 AUD
$719 USD
View
A
Retailer 11
-
$1,058 AUD
€708 EUR
View
A
Retailer 12
-
$1,062 AUD
View
A
Retailer 13
-
$1,099 AUD
ZAR 12,472 ZAR
View
B+
Retailer 14
-
$1,150 AUD
£636 GBP
View
B+
Retailer 15
-
$1,317 AUD
$925 USD
View
B+
Retailer 16
-
$1,484 AUD
View
B+
Retailer 17
-
$1,671 AUD
$1,174 USD
View
Retailer 18
-
$1,875 AUD
$1,317 USD
View
Price last confirmed 10 days ago
Retailer 19
-
$2,037 AUD
$1,431 USD
View
Price last confirmed 42 days ago
B
Retailer 20
-
$2,056 AUD
$1,444 USD
View
B
Retailer 21
-
$2,113 AUD
$1,485 USD
View
B
Retailer 22
-
$2,335 AUD
$1,640 USD
View
B
Retailer 23
-
$2,417 AUD
$1,698 USD
View
B
Retailer 24
-
$2,437 AUD
$1,712 USD
View
B
Retailer 25
-
$2,499 AUD
£1,382 GBP
View
Retailer 26
-
$2,797 AUD
$1,965 USD
View
Price last confirmed 11 days ago
B
Retailer 27
-
$2,867 AUD
$2,014 USD
View
Most Expensive
B
Brilliant Earth
14234461A · Oct 31
$3,630 AUD
$2,550 USD
View
27 more retailers have this diamond
Prices start from $515 AUDSave up to $3,115 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
1.56ct Round
$515 AUD