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Radiant|Lab Grown|IGI

1.18ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG689562550

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

Certificate IGI LG689562550

Diamond specifications and retailer prices

From $389 NZD
As of November 4, 2026
Save $3,663 NZD (90%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $4,052 NZD at Yadav Diamonds · As of November 4, 2026
View at Yadav Diamonds

About this 1.18ct lab-grown radiant diamond

This 1.18ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG689562550 or 689562550. Listed at 20 retailers as of November 4, 2026, with prices from $389 to $4,052, a $3,663 spread on the same certified stone. Yadav Diamonds lists it at $4,052. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.18
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689562550
Dimensions7.50 × 5.19 × 3.47 mm
L/W Ratio1.45
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
7.50 mm5.19 mm1.18 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689562550
Side View
Table 67.0%Crown 48°Girdle: MediumPavilion 34.2°Culet: NoneDepth 66.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $999 NZD|Low: $360 NZD|High: $3,725 NZD|Avg: $1,386 NZD|+11.7%
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 12$389 NZD
Retailer 4$435 NZD
Retailer 16$451 NZD
Retailer 9$472 NZD
Retailer 5$483 NZD
Retailer 15$649 NZD
Retailer 7$899 NZD
Retailer 1$999 NZD
Retailer 18$1,008 NZD
Retailer 8$1,034 NZD
Retailer 6$1,302 NZD
Retailer 2$1,350 NZD
Retailer 13$1,710 NZD
Retailer 3$2,013 NZD
Retailer 11$2,125 NZD
Retailer 10$2,457 NZD
Retailer 17$3,051 NZD
Retailer 14$3,725 NZD

21 data points across 18 retailers

20 retailers$389 NZD to $4,052 NZD

A
Cheapest Retailer
-
$389 NZD
A
Retailer 2
-
$435 NZD
View
Final sale: no returns
A
Retailer 3
-
$451 NZD
View
Retailer 4
-
$472 NZD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$483 NZD
View
A
Retailer 6
-
$649 NZD
View
A
Retailer 7
-
$899 NZD
View
A
Retailer 8
-
$999 NZD
View
A
Retailer 9
-
$1,008 NZD
View
A
Retailer 10
-
$1,034 NZD
View
B+
Retailer 11
-
$1,302 NZD
View
B+
Retailer 12
-
$1,350 NZD
View
B+
Retailer 13
-
$1,710 NZD
View
B+
Retailer 14
-
$2,013 NZD
View
B+
Retailer 15
-
$2,125 NZD
View
Retailer 16
-
$2,457 NZD
View
Price last confirmed 15 days ago
B
Retailer 17
-
$3,051 NZD
View
B
Retailer 18
-
$3,725 NZD
View
B
Retailer 19
-
$3,974 NZD
View
Most Expensive
B
Yadav Diamonds
13004996 · Nov 4
$4,052 NZD
$2,284 USD
View
19 more retailers have this diamond
Prices start from $389 NZDSave up to $3,663 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
1.18ct Radiant
$389 NZD