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Radiant|Lab Grown|IGI

12.57ct F VS1 Radiant Lab Grown Diamond

EX • F/VS1 • IGI LG791607296

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

Certificate IGI LG791607296

Diamond specifications and retailer prices

From €1,822 EUR
$2,036 USD
As of November 2, 2026
Save €9,545 EUR (84%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €11,368 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 12.57ct lab-grown radiant diamond

This 12.57ct lab-grown radiant sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG791607296 or 791607296. Listed at 23 retailers as of October 31, 2026, with prices from €1,822 to €11,368, a €9,545 spread on the same certified stone. Brilliant Earth lists it at €11,368. 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

12.57
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle22.7°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791607296
Dimensions16.93 × 11.53 × 7.53 mm
L/W Ratio1.47
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.93 mm11.53 mm12.57 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791607296
Side View
Table 64.0%Crown 22.7°Girdle: MED-STKPavilion 34.5°Culet: NoneDepth 65.3%

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: €11,368 EUR|Low: €1,637 EUR|High: €11,368 EUR|Avg: €4,348 EUR
Brilliant Earth
Retailer 2
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Retailer 22
November 2, 2026
Retailer 14€1,822 EUR
Retailer 15€1,978 EUR
Retailer 9€1,983 EUR
Retailer 7€2,114 EUR
Retailer 20€2,265 EUR
Retailer 6€2,486 EUR
Retailer 11€2,600 EUR
Retailer 13€2,884 EUR
Retailer 21€2,905 EUR
Retailer 3€3,156 EUR
Retailer 18€3,273 EUR
Retailer 22€3,307 EUR
Retailer 2€3,342 EUR
Retailer 16€3,917 EUR
Retailer 10€4,011 EUR
Retailer 19€5,326 EUR
Retailer 8€5,695 EUR
Retailer 12€7,396 EUR
Retailer 5€7,896 EUR
Retailer 17€8,032 EUR
Retailer 4€8,994 EUR
Brilliant Earth€11,368 EUR

36 data points across 22 retailers

23 retailers€1,822 EUR to €11,368 EUR

A
Cheapest Retailer
-
€1,822 EUR
$2,036 USD
Retailer 2
-
€1,978 EUR
$2,210 USD
View
Price last confirmed 22 days ago
A
Retailer 3
-
€1,983 EUR
$2,215 USD
View
A
Retailer 4
-
€2,114 EUR
$2,362 USD
View
A
Retailer 5
-
€2,265 EUR
$2,530 USD
View
A
Retailer 6
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€2,486 EUR
HK$21,700 HKD
View
A
Retailer 7
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€2,600 EUR
$2,905 USD
View
A
Retailer 8
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€2,884 EUR
£2,537 GBP
View
A
Retailer 9
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€2,905 EUR
$3,246 USD
View
A
Retailer 10
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€3,156 EUR
$3,526 USD
View
A
Retailer 11
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€3,273 EUR
ZAR 59,064 ZAR
View
B+
Retailer 12
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€3,307 EUR
$3,695 USD
View
A
Retailer 13
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€3,342 EUR
View
B+
Retailer 14
-
€3,917 EUR
A$6,732 AUD
View
A
Retailer 15
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€4,011 EUR
£3,528 GBP
View
B+
Retailer 16
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€5,326 EUR
$5,950 USD
View
B+
Retailer 17
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€5,567 EUR
$6,219 USD
View
B+
Retailer 18
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€5,695 EUR
$6,363 USD
View
B
Retailer 19
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€7,396 EUR
$8,263 USD
View
B
Retailer 20
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€7,896 EUR
$8,822 USD
View
B
Retailer 21
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€8,032 EUR
A$13,805 AUD
View
B
Retailer 22
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€8,994 EUR
$10,048 USD
View
Most Expensive
B
Brilliant Earth
20999261A · Oct 31
€11,368 EUR
$12,700 USD
View
22 more retailers have this diamond
Prices start from €1,822 EURSave up to €9,545 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
12.57ct Radiant
€1,822 EUR