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Radiant|Lab Grown|IGI

11.21ct E VS1 Radiant Lab Grown Diamond

VG • E/VS1 • IGI LG803620749

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

Certificate IGI LG803620749

Diamond specifications and retailer prices

From $3,689 NZD
$2,079 USD
As of October 30, 2026
Save $11,650 NZD (76%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $15,339 NZD at Adiamor · As of October 31, 2026
View at Adiamor

About this 11.21ct lab-grown radiant diamond

This 11.21ct lab-grown radiant sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG803620749 or 803620749. Listed at 21 retailers as of October 30, 2026, with prices from $3,689 to $15,339, a $11,650 spread on the same certified stone. Adiamor lists it at $15,339. 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

11.21
Carat
E
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle26.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803620749
Dimensions21.19 × 9.94 × 5.87 mm
L/W Ratio2.13
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
21.19 mm9.94 mm11.21 ctE / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803620749
Side View
Table 60.0%Crown 34.4°Girdle: MED-STKPavilion 26.4°Culet: NoneDepth 59.1%

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: Oct 30
Current: $15,339 NZD|Low: $3,455 NZD|High: $15,339 NZD|Avg: $7,474 NZD
Adiamor
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
Retailer 19
Retailer 20
Retailer 21
November 1, 2026
Retailer 20$3,455 NZD
Retailer 21$3,689 NZD
Retailer 17$4,013 NZD
Retailer 8$4,131 NZD
Retailer 4$4,280 NZD
Retailer 11$4,280 NZD
Retailer 6$4,578 NZD
Retailer 9$5,211 NZD
Retailer 3$5,884 NZD
Retailer 13$5,889 NZD
Retailer 16$6,626 NZD
Retailer 10$6,694 NZD
Retailer 18$6,865 NZD
Retailer 15$7,186 NZD
Retailer 2$7,930 NZD
Retailer 12$8,112 NZD
Retailer 19$10,743 NZD
Retailer 7$11,531 NZD
Retailer 5$12,165 NZD
Retailer 14$14,969 NZD
Adiamor$15,339 NZD

27 data points across 21 retailers

21 retailers$3,689 NZD to $15,339 NZD

Retailer 1
-
$3,455 NZD
£1,533 GBP
Price last confirmed 15 days ago
A
Retailer 2
-
$3,689 NZD
$2,079 USD
View
A
Retailer 3
-
$4,013 NZD
$2,262 USD
View
A
Retailer 4
-
$4,131 NZD
$2,328 USD
View
Final sale: no returns
Retailer 5
-
$4,280 NZD
$2,412 USD
View
Price last confirmed 21 days ago
A
Retailer 6
-
$4,280 NZD
$2,412 USD
View
A
Retailer 7
-
$4,578 NZD
$2,580 USD
View
A
Retailer 8
-
$5,211 NZD
$2,937 USD
View
A
Retailer 9
-
$5,884 NZD
$3,316 USD
View
A
Retailer 10
-
$5,889 NZD
£2,614 GBP
View
A
Retailer 11
-
$6,626 NZD
ZAR 60,326 ZAR
View
A
Retailer 12
-
$6,694 NZD
$3,773 USD
View
A
Retailer 13
-
$6,865 NZD
$3,869 USD
View
A
Retailer 14
-
$7,186 NZD
€3,857 EUR
View
B+
Retailer 15
-
$7,930 NZD
A$6,876 AUD
View
B+
Retailer 16
-
$8,112 NZD
£3,600 GBP
View
Retailer 17
-
$10,743 NZD
$6,055 USD
View
Price last confirmed 11 days ago
B
Retailer 18
-
$11,531 NZD
$6,499 USD
View
B+
Retailer 19
-
$12,165 NZD
$6,856 USD
View
B
Retailer 20
-
$14,969 NZD
$8,437 USD
View
Most Expensive
B
Adiamor
D-80565019 · Oct 31
$15,339 NZD
$8,645 USD
View
20 more retailers have this diamond
Prices start from $3,689 NZDSave up to $11,650 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
11.21ct Radiant
$3,689 NZD