Radiant|Lab Grown|IGI

3.00ct K SI1 Radiant Lab Grown Diamond

ID • K/SI1 • IGI LG440008292

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

Certificate IGI LG440008292

Diamond specifications and retailer prices

From $7,133 NZD
As of November 6, 2026
Save $10,590 NZD (60%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $17,723 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 3ct lab-grown radiant diamond

This 3ct lab-grown radiant sits in the three to five carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG440008292 or 440008292. Listed at 9 retailers as of November 1, 2026, with prices from $7,133 to $17,723, a $10,590 spread on the same certified stone. MOH London lists it at $17,723. 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

3.00
Carat
K
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle50.4°
Pavilion angle29.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG440008292
Dimensions8.71 × 7.05 × 4.96 mm
L/W Ratio1.24
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
8.71 mm7.05 mm3.00 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG440008292
Side View
Table 68.5%Crown 50.4°Girdle: Very ThickPavilion 29.8°Culet: NoneDepth 70.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $17,723 NZD|Low: $6,848 NZD|High: $17,959 NZD|Avg: $10,964 NZD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 4$7,133 NZD
Retailer 5$8,274 NZD
Retailer 3$8,379 NZD
Retailer 7$9,268 NZD
Retailer 8$10,659 NZD
Retailer 2$10,973 NZD
Retailer 6$12,815 NZD
MOH London$17,723 NZD

15 data points across 8 retailers

9 retailers$7,133 NZD to $17,723 NZD

B+
Cheapest Retailer
-
$7,133 NZD
B+
Retailer 2
-
$7,475 NZD
View
B+
Retailer 3
-
$8,274 NZD
View
Retailer 4
-
$8,274 NZD
View
Price last confirmed 26 days ago
B+
Retailer 5
-
$8,379 NZD
View
B
Retailer 6
-
$10,338 NZD
View
B
Retailer 7
-
$10,973 NZD
View
B
Retailer 8
-
$12,815 NZD
View
Most Expensive
B
MOH London
LG440008292 · Nov 1
$17,723 NZD
£7,736 GBP
View
8 more retailers have this diamond
Prices start from $7,133 NZDSave up to $10,590 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.

B+
3.00ct Radiant
$7,133 NZD