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Round|Lab Grown|IGI

1.25ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG834604284

Shape and cutting style on the report: Round brilliant

Certificate IGI LG834604284

Diamond specifications and retailer prices

From $828 NZD
As of November 3, 2026
Save $3,713 NZD (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,541 NZD at Brilliant Earth · As of November 4, 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 LG834604284 or 834604284. Listed at 18 retailers as of November 3, 2026, with prices from $828 to $4,541, a $3,713 spread on the same certified stone. Brilliant Earth lists it at $4,541. 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 angle33.6°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG834604284
Dimensions6.96 × 6.98 × 4.25 mm
L/W Ratio1.00
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
6.96 mm6.98 mm1.25 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG834604284
Side View
Table 59.0%Crown 33.6°Girdle: MediumPavilion 41.4°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
A
Excellent
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 3
Current: $4,541 NZD|Low: $828 NZD|High: $4,541 NZD|Avg: $2,260 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
Retailer 17
Retailer 18
November 5, 2026
Retailer 16$828 NZD
Retailer 18$926 NZD
Retailer 5$928 NZD
Retailer 6$1,027 NZD
Retailer 15$1,277 NZD
Retailer 9$1,380 NZD
Retailer 8$1,426 NZD
Retailer 7$1,465 NZD
Retailer 12$1,625 NZD
Retailer 11$1,680 NZD
Retailer 14$2,351 NZD
Retailer 17$2,760 NZD
Retailer 4$3,259 NZD
Retailer 3$3,300 NZD
Retailer 10$3,353 NZD
Retailer 13$3,626 NZD
Retailer 2$3,759 NZD
Brilliant Earth$4,541 NZD

7 data points across 18 retailers

18 retailers$828 NZD to $4,541 NZD

A
Cheapest Retailer
-
$828 NZD
A
Retailer 2
-
$926 NZD
View
Final sale: no returns
A
Retailer 3
-
$928 NZD
View
A
Retailer 4
-
$1,027 NZD
View
A
Retailer 5
-
$1,277 NZD
View
A
Retailer 6
-
$1,380 NZD
View
B+
Retailer 7
-
$1,426 NZD
View
B+
Retailer 8
-
$1,465 NZD
View
B+
Retailer 9
-
$1,625 NZD
View
B+
Retailer 10
-
$1,680 NZD
View
B+
Retailer 11
-
$2,351 NZD
View
B
Retailer 12
-
$2,760 NZD
View
B
Retailer 13
-
$3,259 NZD
View
B
Retailer 14
-
$3,300 NZD
View
B
Retailer 15
-
$3,353 NZD
View
B
Retailer 16
-
$3,626 NZD
View
B
Retailer 17
-
$3,759 NZD
View
Most Expensive
B
Brilliant Earth
22370251A · Nov 4
$4,541 NZD
$2,560 USD
View
17 more retailers have this diamond
Prices start from $828 NZDSave up to $3,713 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
$828 NZD