CaratHunter
Plans
Round|Lab Grown|IGI

1.25ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG842612342

Shape and cutting style on the report: Round brilliant

Certificate IGI LG842612342

Diamond specifications and retailer prices

From $516 NZD
As of November 4, 2026
Save $2,233 NZD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,750 NZD at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 1.25ct lab-grown round diamond

This 1.25ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG842612342 or 842612342. Listed at 16 retailers as of November 3, 2026, with prices from $516 to $2,750, a $2,233 spread on the same certified stone. Brilliant Earth lists it at $2,750. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842612342
Dimensions6.89 × 6.93 × 4.24 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
6.89 mm6.93 mm1.25 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842612342
Side View
Table 58.0%Crown 34.3°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.3%

Caratlytics Score

How it works →
A+
Exceptional
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: Nov 4
Current: $2,750 NZD|Low: $516 NZD|High: $2,750 NZD|Avg: $1,218 NZD
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
November 5, 2026
Retailer 4$516 NZD
Retailer 8$543 NZD
Retailer 14$573 NZD
Retailer 7$635 NZD
Retailer 15$852 NZD
Retailer 10$905 NZD
Retailer 3$946 NZD
Retailer 11$953 NZD
Retailer 13$986 NZD
Retailer 2$1,080 NZD
Retailer 12$1,403 NZD
Retailer 16$1,758 NZD
Retailer 5$1,845 NZD
Retailer 9$2,287 NZD
Retailer 6$2,404 NZD
Brilliant Earth$2,750 NZD

24 data points across 16 retailers

16 retailers$516 NZD to $2,750 NZD

A+
Cheapest Retailer
-
$516 NZD
Final sale: no returns
Retailer 2
-
$543 NZD
View
Price last confirmed 23 days ago
A
Retailer 3
-
$573 NZD
View
A
Retailer 4
-
$635 NZD
View
A
Retailer 5
-
$852 NZD
View
A
Retailer 6
-
$905 NZD
View
A
Retailer 7
-
$946 NZD
View
A
Retailer 8
-
$953 NZD
View
A
Retailer 9
-
$986 NZD
View
A
Retailer 10
-
$1,080 NZD
View
A
Retailer 11
-
$1,403 NZD
View
B+
Retailer 12
-
$1,758 NZD
View
B+
Retailer 13
-
$1,845 NZD
View
B+
Retailer 14
-
$2,287 NZD
View
B
Retailer 15
-
$2,404 NZD
View
Most Expensive
B+
Brilliant Earth
21813003A · Nov 3
$2,750 NZD
$1,550 USD
View
15 more retailers have this diamond
Prices start from $516 NZDSave up to $2,233 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+
1.25ct Round
$516 NZD