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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 $362 USD
As of November 1, 2026
Save $2,188 USD (86%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $2,550 USD 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 $362 to $2,550, a $2,188 spread on the same certified stone. Brilliant Earth lists it at $2,550. 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
Color
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: $2,550 USD|Low: $359 USD|High: $2,770 USD|Avg: $1,062 USD|-7.9%
Brilliant Earth
Retailer 2
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Retailer 22
November 1, 2026
Retailer 12$362 USD
Retailer 18$405 USD
Retailer 4$420 USD
Retailer 8$449 USD
Retailer 9$449 USD
Retailer 22$600 USD
Retailer 7$705 USD
Retailer 10$719 USD
Retailer 17$743 USD
Retailer 20$746 USD
Retailer 21$772 USD
Retailer 13$808 USD
Retailer 6$925 USD
Retailer 19$1,043 USD
Retailer 3$1,317 USD
Retailer 14$1,444 USD
Retailer 15$1,485 USD
Retailer 16$1,698 USD
Retailer 11$1,712 USD
Retailer 2$1,755 USD
Retailer 5$1,965 USD
Brilliant Earth$2,550 USD

36 data points across 22 retailers

28 retailers$362 USD to $2,550 USD

Retailer 1
-
$359 USD
Price last confirmed 40 days ago
A
Retailer 2
-
$362 USD
View
A
Retailer 3
-
$405 USD
View
Final sale: no returns
A
Retailer 4
-
$420 USD
View
Retailer 5
-
$439 USD
View
Price last confirmed 40 days ago
Retailer 6
-
$449 USD
View
Price last confirmed 7 days ago
A
Retailer 7
-
$449 USD
View
A
Retailer 8
-
$600 USD
View
A
Retailer 9
-
$705 USD
View
A
Retailer 10
-
$719 USD
View
A
Retailer 11
-
$743 USD
€708 EUR
View
A
Retailer 12
-
$746 USD
A$1,148 AUD
View
A
Retailer 13
-
$772 USD
ZAR 12,472 ZAR
View
B+
Retailer 14
-
$808 USD
£636 GBP
View
B+
Retailer 15
-
$925 USD
View
B+
Retailer 16
-
$1,043 USD
A$1,604 AUD
View
B+
Retailer 17
-
$1,174 USD
View
Retailer 18
-
$1,317 USD
View
Price last confirmed 9 days ago
Retailer 19
-
$1,431 USD
View
Price last confirmed 41 days ago
B
Retailer 20
-
$1,444 USD
View
B
Retailer 21
-
$1,485 USD
View
B
Retailer 22
-
$1,640 USD
View
B
Retailer 23
-
$1,698 USD
View
B
Retailer 24
-
$1,712 USD
View
B
Retailer 25
-
$1,755 USD
£1,382 GBP
View
Retailer 26
-
$1,965 USD
View
Price last confirmed 11 days ago
B
Retailer 27
-
$2,014 USD
View
Most Expensive
B
Brilliant Earth
14234461A · Oct 31
$2,550 USD
View
27 more retailers have this diamond
Prices start from $362 USDSave up to $2,188 USD

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
$362 USD