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Radiant|Lab Grown|IGI

1.29ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG750596125

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

Certificate IGI LG750596125

Diamond specifications and retailer prices

From $441 NZD
$248 USD
As of November 2, 2026
Save $3,167 NZD (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,608 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG750596125 or 750596125. Listed at 22 retailers as of November 2, 2026, with prices from $441 to $3,608, a $3,167 spread on the same certified stone. Brilliant Earth lists it at $3,608. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG750596125
Dimensions7.77 × 5.31 × 3.67 mm
L/W Ratio1.46
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
7.77 mm5.31 mm1.29 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG750596125
Side View
Table 59.0%Crown 36.5°Girdle: Slightly ThickPavilion 36.2°Culet: NoneDepth 69.1%

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 2
Current: $3,608 NZD|Low: $423 NZD|High: $4,390 NZD|Avg: $1,346 NZD|-17.8%
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 2, 2026
Retailer 17$441 NZD
Retailer 9$492 NZD
Retailer 5$512 NZD
Retailer 6$547 NZD
Retailer 18$547 NZD
Retailer 13$907 NZD
Retailer 4$919 NZD
Retailer 11$945 NZD
Retailer 8$976 NZD
Retailer 2$1,041 NZD
Retailer 14$1,332 NZD
Retailer 3$1,760 NZD
Retailer 16$1,767 NZD
Retailer 7$1,768 NZD
Retailer 10$2,140 NZD
Retailer 12$2,194 NZD
Retailer 15$2,604 NZD
Brilliant Earth$3,608 NZD

44 data points across 18 retailers

22 retailers$441 NZD to $3,608 NZD

A
Cheapest Retailer
-
$441 NZD
$248 USD
A
Retailer 2
-
$492 NZD
$277 USD
View
Final sale: no returns
A
Retailer 3
-
$512 NZD
$288 USD
View
Retailer 4
-
$547 NZD
$308 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$547 NZD
$308 USD
View
A
Retailer 6
-
$614 NZD
HK$2,700 HKD
View
A
Retailer 7
-
$907 NZD
€486 EUR
View
A
Retailer 8
-
$919 NZD
$517 USD
View
A
Retailer 9
-
$945 NZD
ZAR 8,592 ZAR
View
A
Retailer 10
-
$976 NZD
$549 USD
View
A
Retailer 11
-
$1,041 NZD
£461 GBP
View
A
Retailer 12
-
$1,332 NZD
A$1,153 AUD
View
B+
Retailer 13
-
$1,562 NZD
$879 USD
View
B+
Retailer 14
-
$1,760 NZD
$990 USD
View
B+
Retailer 15
-
$1,767 NZD
$994 USD
View
B+
Retailer 16
-
$1,768 NZD
SGD 1,344 SGD
View
B+
Retailer 17
-
$1,852 NZD
$1,042 USD
View
B+
Retailer 18
-
$2,140 NZD
£948 GBP
View
B+
Retailer 19
-
$2,194 NZD
£972 GBP
View
B
Retailer 20
-
$2,396 NZD
$1,348 USD
View
Retailer 21
-
$2,604 NZD
$1,465 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
19055906A · Nov 2
$3,608 NZD
$2,030 USD
View
21 more retailers have this diamond
Prices start from $441 NZDSave up to $3,167 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
$441 NZD