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Radiant|Lab Grown|IGI

1.29ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG754563637

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG754563637

Diamond specifications and retailer prices

From $415 NZD
As of November 4, 2026
Save $3,789 NZD (90%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: $4,204 NZD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.29ct lab-grown radiant diamond

This 1.29ct lab-grown radiant 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 LG754563637 or 754563637. Listed at 29 retailers as of November 4, 2026, with prices from $415 to $4,204, a $3,789 spread on the same certified stone. Do Amore Diamonds lists it at $4,204. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.4°
Pavilion angle32.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754563637
Dimensions5.28 × 5.28 × 3.58 mm
L/W Ratio1.00
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
5.28 mm5.28 mm1.29 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754563637
Side View
Table 63.0%Crown 45.4°Girdle: MED-STKPavilion 32.5°Culet: NoneDepth 67.8%

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 4
Current: $1,075 NZD|Low: $415 NZD|High: $4,400 NZD|Avg: $1,686 NZD|+3.2%
Retailer 1
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 13$415 NZD
Retailer 15$486 NZD
Retailer 12$795 NZD
Retailer 18$802 NZD
Retailer 3$944 NZD
Retailer 7$1,034 NZD
Retailer 1$1,075 NZD
Retailer 4$1,258 NZD
Retailer 5$1,393 NZD
Retailer 16$1,660 NZD
Retailer 14$1,827 NZD
Retailer 6$2,125 NZD
Retailer 11$2,271 NZD
Retailer 2$2,280 NZD
Retailer 10$2,296 NZD
Retailer 17$2,306 NZD
Retailer 9$3,273 NZD
Retailer 8$3,317 NZD

39 data points across 18 retailers

29 retailers$415 NZD to $4,204 NZD

A
Cheapest Retailer
-
$415 NZD
Retailer 2
-
$438 NZD
View
Price last confirmed 28 days ago
Retailer 3
-
$438 NZD
View
Price last confirmed 36 days ago
A
Retailer 4
-
$486 NZD
View
Final sale: no returns
Retailer 5
-
$509 NZD
View
Price last confirmed 39 days ago
Retailer 6
-
$538 NZD
View
Price last confirmed 37 days ago
Retailer 7
-
$545 NZD
View
Price last confirmed 33 days ago
A
Retailer 8
-
$795 NZD
View
A
Retailer 9
-
$802 NZD
View
A
Retailer 10
-
$944 NZD
View
A
Retailer 11
-
$972 NZD
View
A
Retailer 12
-
$1,034 NZD
View
Retailer 13
-
$1,043 NZD
View
Price last confirmed 21 days ago
A
Retailer 14
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$1,075 NZD
View
A
Retailer 15
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$1,194 NZD
View
A
Retailer 16
-
$1,258 NZD
View
A
Retailer 17
-
$1,393 NZD
View
B+
Retailer 18
-
$1,660 NZD
View
B+
Retailer 19
-
$1,827 NZD
View
Retailer 20
-
$1,930 NZD
View
Price last confirmed 26 days ago
Retailer 21
-
$1,930 NZD
View
Price last confirmed 36 days ago
B+
Retailer 22
-
$2,125 NZD
View
B+
Retailer 23
-
$2,271 NZD
View
B
Retailer 24
-
$2,280 NZD
View
Retailer 25
-
$2,296 NZD
View
Price last confirmed 31 days ago
B
Retailer 26
-
$2,306 NZD
View
Retailer 27
-
$3,273 NZD
View
Price last confirmed 18 days ago
B
Retailer 28
-
$3,317 NZD
View
Most Expensive
B
Do Amore Diamonds
27-A0F5154EC · Nov 4
$4,204 NZD
$2,370 USD
View
28 more retailers have this diamond
Prices start from $415 NZDSave up to $3,789 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 Radiant
$415 NZD