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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 $5,132 AUD
$3,605 USD
As of October 30, 2026
Save $11,904 AUD (70%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $17,036 AUD 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 30, 2026, with prices from $5,132 to $17,036, a $11,904 spread on the same certified stone. With Clarity lists it at $17,036. 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: Oct 30
Current: $13,344 AUD|Low: $4,937 AUD|High: $17,036 AUD|Avg: $10,018 AUD|-0.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
With Clarity
October 31, 2026
Retailer 7$5,132 AUD
Retailer 6$5,376 AUD
Retailer 3$6,139 AUD
Retailer 8$7,070 AUD
Retailer 2$7,357 AUD
Retailer 4$10,499 AUD
Retailer 5$13,235 AUD
Retailer 1$13,344 AUD
Retailer 9$15,840 AUD
With Clarity$17,036 AUD

31 data points across 10 retailers

10 retailers$5,132 AUD to $17,036 AUD

A
Cheapest Retailer
-
$5,132 AUD
$3,605 USD
A
Retailer 2
-
$5,376 AUD
HK$29,500 HKD
View
A
Retailer 3
-
$6,139 AUD
£3,396 GBP
View
A
Retailer 4
-
$7,070 AUD
$4,966 USD
View
B+
Retailer 5
-
$7,357 AUD
€4,922 EUR
View
Retailer 6
-
$10,499 AUD
$7,375 USD
View
Price last confirmed 10 days ago
B
Retailer 7
-
$13,235 AUD
$9,297 USD
View
B
Retailer 8
-
$13,344 AUD
View
B
Retailer 9
-
$15,840 AUD
$11,127 USD
View
Most Expensive
B
With Clarity
827612627 · Oct 31
$17,036 AUD
$11,967 USD
View
9 more retailers have this diamond
Prices start from $5,132 AUDSave up to $11,904 AUD

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
$5,132 AUD