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Round|Lab Grown|IGI

1.25ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG823694923

Shape and cutting style on the report: Round brilliant

Certificate IGI LG823694923

Diamond specifications and retailer prices

From $804 NZD
As of November 3, 2026
Save $3,738 NZD (82%) vs most expensive(unlock to see where)
21 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 LG823694923 or 823694923. Listed at 21 retailers as of November 3, 2026, with prices from $804 to $4,541, a $3,738 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 angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823694923
Dimensions6.87 × 6.91 × 4.26 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
HEARTS & ARROWS 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
6.87 mm6.91 mm1.25 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823694923
Side View
Table 57.0%Crown 34.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.8%

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 3
Current: $4,541 NZD|Low: $804 NZD|High: $4,600 NZD|Avg: $2,149 NZD|+0.4%
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
November 5, 2026
Retailer 3$804 NZD
Retailer 8$899 NZD
Retailer 9$899 NZD
Retailer 4$995 NZD
Retailer 20$1,089 NZD
Retailer 18$1,251 NZD
Retailer 6$1,458 NZD
Retailer 14$1,522 NZD
Retailer 10$1,559 NZD
Retailer 2$1,627 NZD
Retailer 15$1,715 NZD
Retailer 13$2,422 NZD
Retailer 17$2,425 NZD
Retailer 19$2,677 NZD
Retailer 12$3,156 NZD
Retailer 5$3,200 NZD
Retailer 7$3,255 NZD
Retailer 11$3,546 NZD
Retailer 16$3,656 NZD
Brilliant Earth$4,541 NZD

42 data points across 20 retailers

21 retailers$804 NZD to $4,541 NZD

A
Cheapest Retailer
-
$804 NZD
A
Retailer 2
-
$899 NZD
View
Final sale: no returns
A
Retailer 3
-
$899 NZD
View
A
Retailer 4
-
$995 NZD
View
Retailer 5
-
$995 NZD
View
Price last confirmed 20 days ago
A
Retailer 6
-
$1,089 NZD
View
A
Retailer 7
-
$1,251 NZD
View
A
Retailer 8
-
$1,458 NZD
View
B+
Retailer 9
-
$1,522 NZD
View
A
Retailer 10
-
$1,559 NZD
View
B+
Retailer 11
-
$1,627 NZD
View
B+
Retailer 12
-
$1,715 NZD
View
B+
Retailer 13
-
$2,422 NZD
View
B+
Retailer 14
-
$2,425 NZD
View
B
Retailer 15
-
$2,677 NZD
View
B+
Retailer 16
-
$3,156 NZD
View
B
Retailer 17
-
$3,200 NZD
View
B
Retailer 18
-
$3,255 NZD
View
B
Retailer 19
-
$3,546 NZD
View
B
Retailer 20
-
$3,656 NZD
View
Most Expensive
B
Brilliant Earth
21061263A · Nov 4
$4,541 NZD
$2,560 USD
View
20 more retailers have this diamond
Prices start from $804 NZDSave up to $3,738 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
$804 NZD