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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 €2,166 EUR
$2,429 USD
As of November 2, 2026
Save €13,731 EUR (86%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €15,897 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 €2,166 to €15,897, a €13,731 spread on the same certified stone. Do Amore Diamonds lists it at €15,897. 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

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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: €3,746 EUR|Low: €2,079 EUR|High: €6,708 EUR|Avg: €3,748 EUR|-0.3%
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 3, 2026
Retailer 2€2,079 EUR
Retailer 8€2,227 EUR
Retailer 6€2,425 EUR
Retailer 14€2,512 EUR
Retailer 15€2,512 EUR
Retailer 13€2,657 EUR
Retailer 5€2,958 EUR
Retailer 3€3,528 EUR
Retailer 1€3,746 EUR
Retailer 12€3,767 EUR
Retailer 10€4,293 EUR
Retailer 7€4,783 EUR
Retailer 11€5,122 EUR
Retailer 9€5,138 EUR
Retailer 4€6,708 EUR

43 data points across 15 retailers

25 retailers€2,166 EUR to €15,897 EUR

Retailer 1
-
€2,079 EUR
$2,332 USD
Price last confirmed 31 days ago
A
Retailer 2
-
€2,166 EUR
$2,429 USD
View
A
Retailer 3
-
€2,227 EUR
£1,967 GBP
View
Retailer 4
-
€2,356 EUR
$2,643 USD
View
Price last confirmed 36 days ago
A
Retailer 5
-
€2,425 EUR
$2,720 USD
View
Final sale: no returns
A
Retailer 6
-
€2,512 EUR
$2,818 USD
View
Retailer 7
-
€2,512 EUR
$2,818 USD
View
Price last confirmed 30 days ago
Retailer 8
-
€2,512 EUR
$2,818 USD
View
Price last confirmed 21 days ago
A
Retailer 9
-
€2,657 EUR
$2,980 USD
View
A
Retailer 10
-
€2,958 EUR
$3,318 USD
View
B+
Retailer 11
-
€3,528 EUR
$3,957 USD
View
B+
Retailer 12
-
€3,746 EUR
£3,308 GBP
View
B+
Retailer 13
-
€3,767 EUR
$4,225 USD
View
Retailer 14
-
€3,812 EUR
$4,276 USD
View
Price last confirmed 33 days ago
B+
Retailer 15
-
€3,812 EUR
$4,276 USD
View
B+
Retailer 16
-
€4,293 EUR
ZAR 77,794 ZAR
View
B+
Retailer 17
-
€4,783 EUR
£4,224 GBP
View
Retailer 18
-
€5,122 EUR
$5,745 USD
View
Price last confirmed 12 days ago
B+
Retailer 19
-
€5,138 EUR
A$8,866 AUD
View
B+
Retailer 20
-
€5,496 EUR
$6,164 USD
View
B
Retailer 21
-
€6,708 EUR
$7,524 USD
View
B
Retailer 22
-
€6,975 EUR
$7,823 USD
View
B
Retailer 23
-
€9,669 EUR
$10,845 USD
View
B
Retailer 24
-
€14,898 EUR
$16,710 USD
View
Most Expensive
B
Do Amore Diamonds
23-707521431 · Nov 1
€15,897 EUR
$17,830 USD
View
24 more retailers have this diamond
Prices start from €2,166 EURSave up to €13,731 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
€2,166 EUR