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Round|Lab Grown|IGI

1.29ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG842605479

Shape and cutting style on the report: Round brilliant

Certificate IGI LG842605479

Diamond specifications and retailer prices

From $663 NZD
As of November 4, 2026
Save $2,441 NZD (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,105 NZD at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 1.29ct lab-grown round diamond

This 1.29ct 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 LG842605479 or 842605479. Listed at 16 retailers as of November 3, 2026, with prices from $663 to $3,105, a $2,441 spread on the same certified stone. Brilliant Earth lists it at $3,105. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842605479
Dimensions6.96 × 6.99 × 4.30 mm
L/W Ratio1.00
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
6.96 mm6.99 mm1.29 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842605479
Side View
Table 58.0%Crown 34.7°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.5%

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: $3,105 NZD|Low: $663 NZD|High: $4,666 NZD|Avg: $1,703 NZD|-19.7%
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 5$663 NZD
Retailer 3$736 NZD
Retailer 8$816 NZD
Retailer 13$1,011 NZD
Retailer 10$1,166 NZD
Retailer 14$1,189 NZD
Retailer 12$1,190 NZD
Retailer 16$1,268 NZD
Retailer 9$1,302 NZD
Retailer 11$1,809 NZD
Retailer 4$2,159 NZD
Retailer 7$2,352 NZD
Retailer 15$2,367 NZD
Retailer 6$2,466 NZD
Retailer 2$2,941 NZD
Brilliant Earth$3,105 NZD

23 data points across 16 retailers

16 retailers$663 NZD to $3,105 NZD

A+
Cheapest Retailer
-
$663 NZD
Final sale: no returns
A
Retailer 2
-
$736 NZD
View
A
Retailer 3
-
$816 NZD
View
A
Retailer 4
-
$1,011 NZD
View
A
Retailer 5
-
$1,166 NZD
View
A
Retailer 6
-
$1,189 NZD
View
A
Retailer 7
-
$1,190 NZD
View
A
Retailer 8
-
$1,268 NZD
View
A
Retailer 9
-
$1,302 NZD
View
B+
Retailer 10
-
$1,809 NZD
View
B+
Retailer 11
-
$2,159 NZD
View
B+
Retailer 12
-
$2,352 NZD
View
B+
Retailer 13
-
$2,367 NZD
View
B+
Retailer 14
-
$2,466 NZD
View
B+
Retailer 15
-
$2,941 NZD
View
Most Expensive
B
Brilliant Earth
21710952A · Nov 3
$3,105 NZD
$1,750 USD
View
15 more retailers have this diamond
Prices start from $663 NZDSave up to $2,441 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+
1.29ct Round
$663 NZD