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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 $642 NZD
$362 USD
As of November 1, 2026
Save $3,882 NZD (86%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $4,524 NZD 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 $642 to $4,524, a $3,882 spread on the same certified stone. Brilliant Earth lists it at $4,524. 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

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: Nov 1
Current: $4,524 NZD|Low: $637 NZD|High: $4,915 NZD|Avg: $1,892 NZD|-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$642 NZD
Retailer 19$719 NZD
Retailer 4$745 NZD
Retailer 8$797 NZD
Retailer 9$797 NZD
Retailer 22$1,065 NZD
Retailer 7$1,251 NZD
Retailer 10$1,276 NZD
Retailer 21$1,324 NZD
Retailer 2$1,326 NZD
Retailer 13$1,375 NZD
Retailer 16$1,433 NZD
Retailer 6$1,641 NZD
Retailer 20$1,850 NZD
Retailer 3$2,337 NZD
Retailer 14$2,562 NZD
Retailer 15$2,634 NZD
Retailer 18$3,013 NZD
Retailer 11$3,037 NZD
Retailer 17$3,114 NZD
Retailer 5$3,486 NZD
Brilliant Earth$4,524 NZD

37 data points across 22 retailers

28 retailers$642 NZD to $4,524 NZD

Retailer 1
-
$637 NZD
$359 USD
Price last confirmed 41 days ago
A
Retailer 2
-
$642 NZD
$362 USD
View
A
Retailer 3
-
$719 NZD
$405 USD
View
Final sale: no returns
A
Retailer 4
-
$745 NZD
$420 USD
View
Retailer 5
-
$779 NZD
$439 USD
View
Price last confirmed 41 days ago
Retailer 6
-
$797 NZD
$449 USD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$797 NZD
$449 USD
View
A
Retailer 8
-
$1,065 NZD
$600 USD
View
A
Retailer 9
-
$1,251 NZD
$705 USD
View
A
Retailer 10
-
$1,276 NZD
$719 USD
View
A
Retailer 11
-
$1,324 NZD
A$1,148 AUD
View
A
Retailer 12
-
$1,326 NZD
€712 EUR
View
A
Retailer 13
-
$1,375 NZD
ZAR 12,516 ZAR
View
B+
Retailer 14
-
$1,433 NZD
£636 GBP
View
B+
Retailer 15
-
$1,641 NZD
$925 USD
View
B+
Retailer 16
-
$1,850 NZD
A$1,604 AUD
View
B+
Retailer 17
-
$2,083 NZD
$1,174 USD
View
Retailer 18
-
$2,337 NZD
$1,317 USD
View
Price last confirmed 10 days ago
Retailer 19
-
$2,539 NZD
$1,431 USD
View
Price last confirmed 42 days ago
B
Retailer 20
-
$2,562 NZD
$1,444 USD
View
B
Retailer 21
-
$2,634 NZD
$1,485 USD
View
B
Retailer 22
-
$2,910 NZD
$1,640 USD
View
B
Retailer 23
-
$3,013 NZD
$1,698 USD
View
B
Retailer 24
-
$3,037 NZD
$1,712 USD
View
B
Retailer 25
-
$3,114 NZD
£1,382 GBP
View
Retailer 26
-
$3,486 NZD
$1,965 USD
View
Price last confirmed 11 days ago
B
Retailer 27
-
$3,573 NZD
$2,014 USD
View
Most Expensive
B
Brilliant Earth
14234461A · Oct 31
$4,524 NZD
$2,550 USD
View
27 more retailers have this diamond
Prices start from $642 NZDSave up to $3,882 NZD

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
$642 NZD