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Radiant|Lab Grown|IGI

3.01ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG817665053

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

Certificate IGI LG817665053

Diamond specifications and retailer prices

From $575 NZD
As of November 6, 2026
Save $4,854 NZD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $5,430 NZD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 3.01ct lab-grown radiant diamond

This 3.01ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG817665053 or 817665053. Listed at 18 retailers as of November 6, 2026, with prices from $575 to $5,430, a $4,854 spread on the same certified stone. Brilliant Earth lists it at $5,430. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.01
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.6°
Pavilion angle31.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817665053
Dimensions10.36 × 7.13 × 4.57 mm
L/W Ratio1.45
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.36 mm7.13 mm3.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817665053
Side View
Table 64.0%Crown 43.6°Girdle: MED-STKPavilion 31.9°Culet: NoneDepth 64.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $5,430 NZD|Low: $545 NZD|High: $8,496 NZD|Avg: $1,944 NZD|-36.1%
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 7, 2026
Retailer 15$575 NZD
Retailer 8$644 NZD
Retailer 17$667 NZD
Retailer 18$713 NZD
Retailer 12$967 NZD
Retailer 2$1,082 NZD
Retailer 11$1,106 NZD
Retailer 5$1,158 NZD
Retailer 13$1,259 NZD
Retailer 6$1,286 NZD
Retailer 3$1,784 NZD
Retailer 7$2,038 NZD
Retailer 9$2,286 NZD
Retailer 16$2,293 NZD
Retailer 4$2,686 NZD
Retailer 14$2,848 NZD
Retailer 10$4,411 NZD
Brilliant Earth$5,430 NZD

39 data points across 18 retailers

18 retailers$575 NZD to $5,430 NZD

A
Cheapest Retailer
-
$575 NZD
A
Retailer 2
-
$644 NZD
View
Final sale: no returns
A
Retailer 3
-
$667 NZD
View
A
Retailer 4
-
$713 NZD
View
A
Retailer 5
-
$785 NZD
View
A
Retailer 6
-
$967 NZD
View
A
Retailer 7
-
$1,082 NZD
View
A
Retailer 8
-
$1,106 NZD
View
B+
Retailer 9
-
$1,158 NZD
View
A
Retailer 10
-
$1,259 NZD
View
Retailer 11
-
$1,286 NZD
View
Price last confirmed 12 days ago
B+
Retailer 12
-
$1,784 NZD
View
B+
Retailer 13
-
$2,286 NZD
View
B+
Retailer 14
-
$2,293 NZD
View
B
Retailer 15
-
$2,686 NZD
View
B+
Retailer 16
-
$2,848 NZD
View
Retailer 17
-
$4,411 NZD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
20782460A · Nov 6
$5,430 NZD
$3,010 USD
View
17 more retailers have this diamond
Prices start from $575 NZDSave up to $4,854 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
3.01ct Radiant
$575 NZD