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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 €2,174 EUR
$2,429 USD
As of November 2, 2026
Save €13,785 EUR (86%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €15,959 EUR 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 €2,174 to €15,959, a €13,785 spread on the same certified stone. Do Amore Diamonds lists it at €15,959. 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
Color
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

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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: €2,236 EUR|Low: €2,087 EUR|High: €6,735 EUR|Avg: €3,767 EUR|-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€2,087 EUR
Retailer 1€2,236 EUR
Retailer 6€2,435 EUR
Retailer 14€2,522 EUR
Retailer 15€2,522 EUR
Retailer 13€2,667 EUR
Retailer 5€2,970 EUR
Retailer 3€3,542 EUR
Retailer 8€3,729 EUR
Retailer 12€3,782 EUR
Retailer 10€4,310 EUR
Retailer 7€4,802 EUR
Retailer 11€5,142 EUR
Retailer 9€5,158 EUR
Retailer 4€6,735 EUR

43 data points across 15 retailers

25 retailers€2,174 EUR to €15,959 EUR

Retailer 1
-
€2,087 EUR
$2,332 USD
Price last confirmed 30 days ago
A
Retailer 2
-
€2,174 EUR
$2,429 USD
View
A
Retailer 3
-
€2,236 EUR
£1,967 GBP
View
Retailer 4
-
€2,366 EUR
$2,643 USD
View
Price last confirmed 35 days ago
A
Retailer 5
-
€2,435 EUR
$2,720 USD
View
Final sale: no returns
A
Retailer 6
-
€2,522 EUR
$2,818 USD
View
Retailer 7
-
€2,522 EUR
$2,818 USD
View
Price last confirmed 30 days ago
Retailer 8
-
€2,522 EUR
$2,818 USD
View
Price last confirmed 20 days ago
A
Retailer 9
-
€2,667 EUR
$2,980 USD
View
A
Retailer 10
-
€2,970 EUR
$3,318 USD
View
B+
Retailer 11
-
€3,542 EUR
$3,957 USD
View
B+
Retailer 12
-
€3,729 EUR
£3,281 GBP
View
B+
Retailer 13
-
€3,782 EUR
$4,225 USD
View
Retailer 14
-
€3,827 EUR
$4,276 USD
View
Price last confirmed 32 days ago
B+
Retailer 15
-
€3,827 EUR
$4,276 USD
View
B+
Retailer 16
-
€4,310 EUR
ZAR 77,794 ZAR
View
B+
Retailer 17
-
€4,802 EUR
£4,224 GBP
View
Retailer 18
-
€5,142 EUR
$5,745 USD
View
Price last confirmed 12 days ago
B+
Retailer 19
-
€5,158 EUR
A$8,866 AUD
View
B+
Retailer 20
-
€5,517 EUR
$6,164 USD
View
B
Retailer 21
-
€6,735 EUR
$7,524 USD
View
B
Retailer 22
-
€7,003 EUR
$7,823 USD
View
B
Retailer 23
-
€9,707 EUR
$10,845 USD
View
B
Retailer 24
-
€14,957 EUR
$16,710 USD
View
Most Expensive
B
Do Amore Diamonds
23-707521431 · Nov 1
€15,959 EUR
$17,830 USD
View
24 more retailers have this diamond
Prices start from €2,174 EURSave up to €13,785 EUR

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
€2,174 EUR