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Radiant|Lab Grown|IGI

1.33ct D IF Radiant Lab Grown Diamond

VG • D/IF • IGI LG623421838

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

Certificate IGI LG623421838

Diamond specifications and retailer prices

From $562 NZD
As of November 4, 2026
Save $3,340 NZD (86%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $3,903 NZD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.33ct lab-grown radiant diamond

This 1.33ct 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 very-good cut grade and certified by IGI LG623421838 or 623421838. Listed at 24 retailers as of November 4, 2026, with prices from $562 to $3,903, a $3,340 spread on the same certified stone. Brilliant Earth lists it at $3,903. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.33
Carat
D
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.7°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623421838
Dimensions7.40 × 5.52 × 3.86 mm
L/W Ratio1.34
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
7.40 mm5.52 mm1.33 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623421838
Side View
Table 58.0%Crown 44.7°Girdle: MED-STKPavilion 35.5°Culet: NoneDepth 69.9%

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: $3,903 NZD|Low: $539 NZD|High: $6,386 NZD|Avg: $1,838 NZD|-38.7%
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
November 5, 2026
Retailer 4$562 NZD
Retailer 5$697 NZD
Retailer 9$717 NZD
Retailer 7$940 NZD
Retailer 14$976 NZD
Retailer 13$1,087 NZD
Retailer 12$1,203 NZD
Retailer 2$1,231 NZD
Retailer 10$1,714 NZD
Retailer 11$1,742 NZD
Retailer 6$2,242 NZD
Retailer 3$2,409 NZD
Retailer 8$2,789 NZD
Retailer 15$3,326 NZD
Brilliant Earth$3,903 NZD

40 data points across 15 retailers

24 retailers$562 NZD to $3,903 NZD

A
Cheapest Retailer
-
$562 NZD
A
Retailer 2
-
$628 NZD
View
Final sale: no returns
A
Retailer 3
-
$653 NZD
View
Retailer 4
-
$697 NZD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$697 NZD
View
A
Retailer 6
-
$717 NZD
View
A
Retailer 7
-
$940 NZD
View
A
Retailer 8
-
$976 NZD
View
A
Retailer 9
-
$1,087 NZD
View
A
Retailer 10
-
$1,142 NZD
View
A
Retailer 11
-
$1,203 NZD
View
A
Retailer 12
-
$1,231 NZD
View
B+
Retailer 13
-
$1,653 NZD
View
B+
Retailer 14
-
$1,714 NZD
View
B+
Retailer 15
-
$1,742 NZD
View
B+
Retailer 16
-
$1,880 NZD
View
B
Retailer 17
-
$2,242 NZD
View
B
Retailer 18
-
$2,322 NZD
View
Retailer 19
-
$2,409 NZD
View
Price last confirmed 28 days ago
B
Retailer 20
-
$2,478 NZD
View
B
Retailer 21
-
$2,780 NZD
View
B
Retailer 22
-
$2,789 NZD
View
Retailer 23
-
$3,326 NZD
View
Price last confirmed 15 days ago
Most Expensive
B
Brilliant Earth
9481163A · Nov 4
$3,903 NZD
$2,200 USD
View
23 more retailers have this diamond
Prices start from $562 NZDSave up to $3,340 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
1.33ct Radiant
$562 NZD