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Radiant|Lab Grown|IGI

1.33ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG687598627

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

Certificate IGI LG687598627

Diamond specifications and retailer prices

From $403 NZD
As of November 4, 2026
Save $3,465 NZD (90%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $4,371 NZD at Queensmith · As of October 27, 2026
View at Queensmith

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 top-tier cut grade and certified by IGI LG687598627 or 687598627. Listed at 24 retailers as of November 4, 2026, with a 860% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.33
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687598627
Dimensions8.25 × 5.53 × 3.55 mm
L/W Ratio1.49
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
8.25 mm5.53 mm1.33 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687598627
Side View
Table 61.0%Crown 37.6°Girdle: MediumPavilion 34.9°Culet: NoneDepth 64.2%

Caratlytics Score

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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: $1,038 NZD|Low: $389 NZD|High: $4,311 NZD|Avg: $1,558 NZD|+0.9%
Retailer 1
Retailer 2
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Retailer 22
November 5, 2026
Retailer 2$403 NZD
Retailer 10$449 NZD
Retailer 21$467 NZD
Retailer 6$498 NZD
Retailer 11$498 NZD
Retailer 16$564 NZD
Retailer 19$711 NZD
Retailer 14$726 NZD
Retailer 4$935 NZD
Retailer 18$949 NZD
Retailer 1$1,038 NZD
Retailer 17$1,346 NZD
Retailer 5$1,609 NZD
Retailer 3$1,769 NZD
Retailer 15$2,072 NZD
Retailer 9$2,134 NZD
Retailer 13$2,134 NZD
Retailer 12$2,198 NZD
Retailer 8$2,265 NZD
Retailer 22$3,087 NZD
Retailer 7$3,867 NZD
Retailer 20$3,867 NZD

39 data points across 22 retailers

24 retailers$403 NZD to $3,867 NZD

A
Cheapest Retailer
-
$403 NZD
A
Retailer 2
-
$449 NZD
View
Final sale: no returns
A
Retailer 3
-
$467 NZD
View
Retailer 4
-
$498 NZD
View
Price last confirmed 11 days ago
A
Retailer 5
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$498 NZD
View
A
Retailer 6
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$564 NZD
View
A
Retailer 7
-
$711 NZD
View
A
Retailer 8
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$726 NZD
View
A
Retailer 9
-
$935 NZD
View
A
Retailer 10
-
$949 NZD
View
A
Retailer 11
-
$1,038 NZD
View
A
Retailer 12
-
$1,254 NZD
View
A
Retailer 13
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$1,346 NZD
View
B+
Retailer 14
-
$1,609 NZD
View
B+
Retailer 15
-
$1,769 NZD
View
B+
Retailer 16
-
$2,072 NZD
View
B+
Retailer 17
-
$2,134 NZD
View
B+
Retailer 18
-
$2,134 NZD
View
B+
Retailer 19
-
$2,198 NZD
View
B+
Retailer 20
-
$2,265 NZD
View
Retailer 21
-
$3,087 NZD
View
Price last confirmed 15 days ago
B
Retailer 22
-
$3,867 NZD
View
B
Retailer 23
-
$3,867 NZD
View
Most Expensive
Queensmith
LG687598627 · Oct 27
$4,371 NZD
£1,940 GBP
View
Price last confirmed 8 days ago
23 more retailers have this diamond
Prices start from $403 NZDSave up to $3,465 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
$403 NZD