Radiant|Lab Grown|IGI

11.51ct G VS1 Radiant Lab Grown Diamond

EX • G/VS1 • IGI LG707521431

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

Certificate IGI LG707521431

Diamond specifications and retailer prices

From $3,466 AUD
$2,429 USD
As of November 2, 2026
Save $21,976 AUD (86%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $25,442 AUD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 11.51ct lab-grown radiant diamond

This 11.51ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG707521431 or 707521431. Listed at 25 retailers as of November 1, 2026, with prices from $3,466 to $25,442, a $21,976 spread on the same certified stone. Do Amore Diamonds lists it at $25,442. 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
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.1°
Pavilion angle30.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG707521431
Dimensions16.44 × 10.77 × 6.99 mm
L/W Ratio1.53
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.44 mm10.77 mm11.51 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG707521431
Side View
Table 60.0%Crown 46.1°Girdle: ThickPavilion 30.1°Culet: NoneDepth 64.9%

Caratlytics Score

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

Price History

Last verified: Nov 2
Current: $3,565 AUD|Low: $3,328 AUD|High: $10,736 AUD|Avg: $6,004 AUD|-0.5%
Retailer 1
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
November 2, 2026
Retailer 2$3,328 AUD
Retailer 1$3,565 AUD
Retailer 6$3,881 AUD
Retailer 14$4,021 AUD
Retailer 15$4,021 AUD
Retailer 13$4,252 AUD
Retailer 5$4,734 AUD
Retailer 3$5,646 AUD
Retailer 8$5,945 AUD
Retailer 12$6,029 AUD
Retailer 10$6,871 AUD
Retailer 7$7,655 AUD
Retailer 11$8,198 AUD
Retailer 9$8,223 AUD
Retailer 4$10,736 AUD

42 data points across 15 retailers

25 retailers$3,466 AUD to $25,442 AUD

Retailer 1
-
$3,328 AUD
$2,332 USD
Price last confirmed 31 days ago
A
Retailer 2
-
$3,466 AUD
$2,429 USD
View
A
Retailer 3
-
$3,565 AUD
£1,967 GBP
View
Retailer 4
-
$3,771 AUD
$2,643 USD
View
Price last confirmed 36 days ago
A
Retailer 5
-
$3,881 AUD
$2,720 USD
View
Final sale: no returns
A
Retailer 6
-
$4,021 AUD
$2,818 USD
View
Retailer 7
-
$4,021 AUD
$2,818 USD
View
Price last confirmed 30 days ago
Retailer 8
-
$4,021 AUD
$2,818 USD
View
Price last confirmed 21 days ago
A
Retailer 9
-
$4,252 AUD
$2,980 USD
View
A
Retailer 10
-
$4,734 AUD
$3,318 USD
View
B+
Retailer 11
-
$5,646 AUD
$3,957 USD
View
B+
Retailer 12
-
$5,945 AUD
£3,281 GBP
View
B+
Retailer 13
-
$6,029 AUD
$4,225 USD
View
Retailer 14
-
$6,101 AUD
$4,276 USD
View
Price last confirmed 33 days ago
B+
Retailer 15
-
$6,101 AUD
$4,276 USD
View
B+
Retailer 16
-
$6,871 AUD
ZAR 77,794 ZAR
View
B+
Retailer 17
-
$7,655 AUD
£4,224 GBP
View
Retailer 18
-
$8,198 AUD
$5,745 USD
View
Price last confirmed 12 days ago
B+
Retailer 19
-
$8,223 AUD
View
B+
Retailer 20
-
$8,795 AUD
$6,164 USD
View
B
Retailer 21
-
$10,736 AUD
$7,524 USD
View
B
Retailer 22
-
$11,163 AUD
$7,823 USD
View
B
Retailer 23
-
$15,475 AUD
$10,845 USD
View
B
Retailer 24
-
$23,843 AUD
$16,710 USD
View
Most Expensive
B
Do Amore Diamonds
23-707521431 · Nov 1
$25,442 AUD
$17,830 USD
View
24 more retailers have this diamond
Prices start from $3,466 AUDSave up to $21,976 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
$3,466 AUD