Radiant|Lab Grown|IGI

11.51ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG827612627

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

Certificate IGI LG827612627

Diamond specifications and retailer prices

From $6,396 NZD
$3,605 USD
As of November 1, 2026
Save $14,837 NZD (70%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $21,233 NZD at With Clarity · As of October 31, 2026
View at With Clarity

About this 11.51ct lab-grown radiant diamond

This 11.51ct lab-grown radiant sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG827612627 or 827612627. Listed at 10 retailers as of October 31, 2026, with prices from $6,396 to $21,233, a $14,837 spread on the same certified stone. With Clarity lists it at $21,233. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

11.51
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.6°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG827612627
Dimensions16.58 × 11.24 × 7.25 mm
L/W Ratio1.48
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.58 mm11.24 mm11.51 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG827612627
Side View
Table 68.0%Crown 40.6°Girdle: MediumPavilion 39.8°Culet: NoneDepth 64.5%

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 1
Current: $7,588 NZD|Low: $6,153 NZD|High: $21,233 NZD|Avg: $12,489 NZD|+1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
With Clarity
November 1, 2026
Retailer 7$6,396 NZD
Retailer 6$6,700 NZD
Retailer 1$7,588 NZD
Retailer 8$8,811 NZD
Retailer 3$9,170 NZD
Retailer 4$13,085 NZD
Retailer 5$16,496 NZD
Retailer 2$16,632 NZD
Retailer 9$19,742 NZD
With Clarity$21,233 NZD

32 data points across 10 retailers

10 retailers$6,396 NZD to $21,233 NZD

A
Cheapest Retailer
-
$6,396 NZD
$3,605 USD
A
Retailer 2
-
$6,700 NZD
HK$29,500 HKD
View
A
Retailer 3
-
$7,588 NZD
£3,367 GBP
View
A
Retailer 4
-
$8,811 NZD
$4,966 USD
View
B+
Retailer 5
-
$9,170 NZD
€4,922 EUR
View
Retailer 6
-
$13,085 NZD
$7,375 USD
View
Price last confirmed 10 days ago
B
Retailer 7
-
$16,496 NZD
$9,297 USD
View
B
Retailer 8
-
$16,632 NZD
A$14,421 AUD
View
B
Retailer 9
-
$19,742 NZD
$11,127 USD
View
Most Expensive
B
With Clarity
827612627 · Oct 31
$21,233 NZD
$11,967 USD
View
9 more retailers have this diamond
Prices start from $6,396 NZDSave up to $14,837 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
11.51ct Radiant
$6,396 NZD